Field Trip Guidebooks
- Vol. T388, Geology of the Wine Country of New York Rochester to Brooklyn, New York: July 20–28, 1989
- Vol. T385, Physical and Hydrologic-Flow Properties of Fractures Las Vegas, Nevada—Zion Canyon, Utah—Grand Canyon, Arizona—Yucca Mountain, Nevada July 20–24, 1989
- Vol. T382, Engineering Geology of Major Dams on the Columbia River Puget Sound Basin to Northern Rocky Mountains July 21–30, 1989
- Vol. T381, Landslides in Central California: San Francisco and Central California, July 20–29, 1989
- Vol. T380, Contrasts in Style of American Thrust Belts: Alabama, Arkansas-Oklahoma, Wyoming-Idaho, Montana, July 20–31, 1989
- Vol. T376, Carbonate Rock Sequences From the Cretaceous of Texas: San Antonio to Austin, Texas, July 20–26, 1989
- Vol. T375, Quaternary Geology and Sedimentology of the Barrier Island and Marshy Coast, West-Central Florida, U.S.A.: Mullet Key, Pinellas County to Crystal River, Florida, July 20–23, 1989
- Vol. T374, Carbonate Environments and Sequences of Caicos Platform: Caicos, British West Indies to Miami, Florida, July 20–26, 1989
- Vol. T373, Giant Subtidal Stromatolites and Related Sedimentary Features Lee Stocking Island, Exumas, Bahamas July 20–22, 1989
- Vol. T372, Upper Cretaceous and Paleogene Biostratigraphy and Lithostratigraphy of the Eastern Gulf Coastal Plain: Memphis, Tennessee to Atlanta, Georgia, July 20–30, 1989
- Vol. T371, Modern Clastic Depositional Environments, South Carolina: Charleston to Columbia, South Carolina, July 20–25, 1989
- Vol. T370, Coastal Depositional Systems, Northwest Gulf of Mexico: New Orleans, Louisiana to Houston, Texas, July 21–25, 1989
- Vol. T368, Geology and Hydrocarbon Potential of the Eastern Overthrust: Knoxville, Tennessee to Washington, D.C., July 20–23, 1989
- Vol. T365, Geological Cross-Section Through Part of the Southern Appalachian Orogen: Inner Piedmont to Valley and Ridge (North Carolina, Tennessee and Virginia), July 20–26, 1989
- Vol. T363, Tectonics of the Virginia Blue Ridge and Piedmont Culpeper to Richmond, Virginia
- Vol. T362, Marble, Granite and Slate Industries of Vermont: Isle LaMotte to Graniteville, Vermont
- Vol. T361, Geology and Engineering Geology of the New York Metropolitan Area
- Vol. T359, Tectonostratigraphic Terranes in the Northern Appalachians: Their Distribution, Origin, and Age; Evidence for Their Existence. Albany, New York to Providence, Rhode Island, July 19–26, 1989
- Vol. T358, Northern Appalachian Transect: Southeastern Quebec, Canada Through Western Maine, U.S.A.; Quebec City, Canada to Portland, Maine, July 20–26, 1989
- Vol. T357, Geometry and Deformation Fabrics in the Central and Southern Appalachian Valley and Ridge and Blue Ridge: Frederick, Maryland to Allatoona Dam, Georgia July 20–27, 1989
- Vol. T354, Paleozoic Sea-Level Changes in the Appalachian Basin: Washington, D.C., July 20–24, 1989
- Vol. T352, Characteristics of the Mid-Carboniferous Boundary and Associated Coal-Bearing Rocks in the Appalachian Basin: Morgantown, West Virginia to Chattanooga, Tennessee, July 19–27, 1989
- Vol. T351, Tectonic, Depositional, and Pleoecological History of Early Mesozoic Rift Basins, Eastern North America
- Vol. T350, Geomorphology and Plant Ecology of the Shenandoah Valley: Waterlick to Strasburg, Virginia
- Vol. T346, Montana High-Potassimn Igneous Province: Crazy Mountains to Jordan, Montana
- Vol. T345, Duluth Complex and Associated Rocks of the Midcontinent Rift System: Minneapolis to Duluth, Minnesota
- Vol. T344, Lake Superior Basin Segment of the Midcontinent Rift System
- Vol. T338, Porphyry Copper Deposits in the American Southwest: Tucson to Globe-Miami, Arizona July19–23, 1989
- Vol. T337, Cordilleran Volcanism, Plutonism, and Magma Generation at Various Crustal Levels, Montana and Idaho Western Montana and Central Idaho
- Vol. T334, Middle Proterozoic Belt Supergroup, Western Montana: Great Falls, Montana to Spokane, Washington, July 20–28, 1989
- Vol. T332, Precambrian Rocks and Mineralization, Southern Wyoming Province Hartville Uplift to Copper Mountain Area, Wyoming, July 19–25, 1989
- Vol. T331, Late Proterozoic and Cambrian Tectonics, Sedimentation, and Record of Metazoan Radiation in the Western United States: Pocatello, Idaho, to Reno, Nevada 20–29 July, 1989
- Vol. T328, Yellowstone and Grand Teton National Parks and the Middle Rocky Mountains: Casper, Wyoming to Salt Lake City, Utah, July 20–30, 1989
- Vol. T324, Evolution of Resource-Rich Foreland and Intennontane Basins in Eastern Utah and Western Colorado: Salt Lake City, Utah to Grand Junction, Colorado, July 20–24, 1989
- Vol. T322, Mesozoic/Cenozoic Vertebrate Paleontology: Classic Localities, Contemporary Approaches. Salt Lake City, Utah to Billings, Montana, July 19–27, 1989
- Vol. T320, Mineralization in Silicic Calderas: Questa, New Mexico and the San Juan Mountains, Colorado. Taos, New Mexico to Lake City, Colorado, July 20–July 25, 1989
- Vol. T318, Rio Grande Rift: El Paso, Texas to Denver, Colorado, July 20–30, 1989
- Vol. T317, Structure and Stratigraphy of Trans-Pecos Texas: El Paso to Guadalupe Mountains and Big Bend July 20–29, 1989
- Vol. T313, Quaternary Volcanism of Long Valley Caldera and Mono-Inyo Craters, Eastern California Long Valley Caldera, California July 20–27, 1989
- Vol. T312, South Cascades Arc Volcanism, California and Southern Oregon: Red Bluff to Redding, California, July 20–26, 1989
- Vol. T311, Oil in the Monterey California Formation Los Angeles to Santa Maria, California July 20-24, 1989
- Vol. T310, Glacial Lake Missoula and the Channeled Scabland Missoula, Montana to Portland, Oregon, July 20–26, 1989
- Vol. T309, The San Andreas Transform Belt: Long Beach to San Francisco, California July 20–29, 1989
- Vol. T308, Geologic Evolution of the Northernmost Coast Ranges and Western Klamath Mountains, California: Galice, Oregon to Eureka, California July 20–28, 1989
- Vol. T307, Accreted Terranes of the North Cascades Range, Washington: Spokane to Seattle, Washington, July 21–29, 1989
- Vol. T306, Guide to Geology of the Cascade Range: Portland, Oregon to Seattle, Washington
- Vol. T305, Snake River Plain-Yellowstone Volcanic Province: Jackson, Wyoming to Boise, Idaho July 21–29, 1989
- Vol. T301, Glaciers and Glaciology of Alaska: Anchorage to Juneau, Alaska July 21–29, 1989
- Vol. T244, Titaniun-Mineral Deposits of the Roseland Anorthosite-Ferrodiorite Terrane, Blue Ridge Province of Central Virginia: Nelson and Amherst Counties, Virginia, July 15–16, 1989
- Vol. T243, The Industrial Minerals and Rodingite Dikes of the Hunting Hill Serpentinite Mass, Montgomery County, Maryland: Hunting Hill Quarry, Maryland, July 12, 1989
- Vol. T242, Anthracite Basins of Eastern Pennsylvania: Pottsville to Shamokin, Pennsylvania July 15–16, 1989
- Vol. T241, Ultramafite-Associated Cu-Fe-Co-Ni-Zn Deposits of the Sykesville District, Maryland Piedemont: Sykesville, Maryland, July 17, 1989
- Vol. T236, Geomorphology, Vegetation, and Patowmack Canal Construction Problems: Great Falls Park, Potomac River, Virginia: Potomac River Gorge, Virginia, July 13, 1989
- Vol. T235, A Different View of Stone Monuments, Memorials and Buildings of Washington, D.C.: Washington, D.C., July 13, 1989
- Vol. T234, Engineering Geology of Washington, D.C.: Washington, D.C. to Greenbelt, Maryland, July 14, 1989
- Vol. T233, Shoreline Erosion in the Upper Chesapeake Bay: Point Lookout State Park to Calvert Cliffs State Park, Maryland, July 16, 1989
- Vol. T232, Hydrogeology of the Washington, D.C., area, (Virginia, Maryland, District of Columbia): Reston, Virginia to Prince Frederick, Maryland, July 14, 1989
- Vol. T231, Seismic and Geochemical Research in Chesapeake Bay, Maryland: Sandy Point State Park, Annapolis, Maryland, July 15 and 18, 1989
- Vol. T227, Structural Transect of the Central Appalachian Fold-and-Thrust Belt: Harpers Ferry, West Virginia to Cumberland, Maryland July 15, 1989
- Vol. T226, Lower Mississippian Foreland Basin Deposits of Western Maryland: Hancock to Keysers Ridge, Maryland July 14, 1989
- Vol. T221, Early Paleozoic Continental Shelf to Basin Transition, Northern Virginia: Strasburg to Riverton, Virginia July 13, 1989
- Vol. T219, Flyover Showing Geomorphology and Coastal Processes Along the Atlantic Shoreline: Cape Henlopen, Delaware to Cape Charles, Virginia, July 17–18, 1989
- Vol. T218, Geomorphology, Neotectonics and Process Studies in the Rappahannock River Basin, Virginia: Marshall to Oak Grove, Virginia, July 15–16, 1989
- Vol. T217, Coastal Geomorphology of the Maryland and Delaware Barrier Islands: Assateague Island, Maryland to Broadkill Beach, Delaware, July 15–16, 1989
- Vol. T216, Tertiary Stratigraphy and Paleontology, Chesapeake Bay Region, Virginia and Maryland: Chesapeake Bay Region, Virginia and Maryland, July 15–July 17
- Vol. T214, Atlantic Coastal Plain Sedimentation and Basement Tectonics Southeast of Washington, D.C.: Fort Washington to Waldorf, Maryland, July 13, 1989
- Vol. T213, Fluvial and Lacustrine Facies of the Early Mesozoic Culpeper Basin: Virginia and Maryland. Seneca, Maryland to Stevensburg, Virginia, July 14, 1989
- Vol. T211, Cretaceous and Tertiary Stratigraphy of the Elk Neck Area, Northeastern Maryland: Elk Neck State Park, Maryland, July 12, 1989
- Vol. T209, Exploration of Rock Creek Park—North: Washington, D.C., July 17, 1989
- Vol. T208, Geological Exploration of the Southern Rock Creek Valley in DC: Washington, D.C., July 13, 1989
- Vol. T207, Stratigraphy and Structure Across the Blue Ridge and Inner Piedmont in Central Virginia: Culpeper to Charlottesville, Virginia, July 15–16, 1989
- Vol. T206, Highlights of the Geology and Engineering of the Chesapeake and Ohio Canal: Washington, D.C. to Frostburg, Maryland July 15, 1989
- Vol. T204, Petrology and Structure of Gneiss Anticlines Near Baltimore, Maryland: Baltimore County, Maryland, July 15, 1989
- Vol. T203, Metabasalts and Related Rocks of the Blue Ridge Province: Traces of Proterozoic Rifting in Eastern North America: Shenandoah National Park to Bull Run Mountains, Virginia, July 14, 1989
- Vol. T202, Metamorphic Rocks of the Potomac Terrane in the Potomac Valley of Virginia and Maryland: The Piedmont of Fairfax County, Virginia, July 13 and 18, 1989
- Vol. T201, Jurassic Igneous Rocks of the Culpeper Basin, Virginia: Warrenton to Rapidan, Virginia, July 12, 1989
- Vol. T188/304, Geological Field Guide to the Hawaiian Islands: Hilo to Honolulu, Hawaii, July 1–7, 1989, July 21–27, 1989
- Vol. T186, The Geology of the Nevada Test Site and Surrounding Area: Clark and Nye Counties, Nevada, July 5–7, 1989
- Vol. T185, The Lithostratigraphy and Hydrostratigraphy of the Floridan Aquifer System in Florida: Tampa to Tallahassee, Florida July 1–7, 1989
- Vol. T182, Remote Sensing in Exploration Geology: Golden, Colorado to Washington, D.C., June 30–July 8, 1989
- Vol. T181, Engineering Geology of Western United States Urban Centers: Los Angeles, California to Denver, Colorado June 27–July 7, 1989
- Vol. T180, Tectonics of the Scotia Arc, Antarctica: Punta Arenas, Chile to Ushuaia, Argentina January 1–February 1, 1989
- Vol. T178, Florida Phosphate Deposits: Tampa to Jacksonville, Florida June 30–July 7, 1989
- Vol. T176, Reefs of Florida and the Dry Tortugas: Miami to Key West, Florida July 2–7, 1989
- Vol. T175, Pleistocene and Holocene Carbonate Environments on San Salvador Island, Bahamas: San Salvador Island, Bahamas, July 2–7, 1989
- Vol. T173, Depositional Settings of Texas Lignites: Dallas to San Antonio, Texas, July 4–8, 1989
- Vol. T172, Upper Cretaceous and Cenozoic Geology of the Southeastern Atlantic Coastal Plain: Atlanta, Georgia to Chesapeake, Virginia July 1–9, 1989
- Vol. T171, Outer Banks Depositional Systems, North Carolina: Bogue Bank to Cape Lookout, North Carolina July 4–7, 1989
- Vol. T170, Mississippi River Depositional System: Baton Rouge to New Orleans, Louisiana July 3–7, 1989
- Vol. T169, Boston to Buffalo, in the Footsteps of Amos Eaton and Edward Hitchcock: Boston, Massachusetts to Washington, D.C. June 28–July 8, 1989
- Vol. T167, Southern Appalachian Windows: Comparison of Styles, Scales, Geometry and Detachment Levels of Thrust Faults in the Foreland and Internides of a Thrust-Dominated Orogen: Atlanta, Georgia to Winston-Salem, North Carolina June 28–July 8, 1989
- Vol. T166, Structures of the Appalachian Foreland Fold-Thrust Belt: New York City, to Knoxville, Tennessee, June 27–July 8, 1989
- Vol. T164, The Adirondack Mountains—A Section of Deep Proterozoic Crust: Montreal, Canada to Albany, New York June 30–July 8, 1989
- Vol. T162, A Transect Through the New England Appalachians: Burlington, Vermont to Durham, New Hampshire July 2–8, 1989
- Vol. T161, Cambro-Ordovician Carbonate Banks and Siliciclastic Basins of the United States Appalachians: Knoxville, Tennessee to Hagerstown, Maryland, June 30–July 9, 1989
- Vol. T157, Valley and Ridge and Blue Ridge Traverse, Central Virginia
- Vol. T156, Sedimentary Sequences in a Foreland Basin: The New York System: Syracuse, New York to Washington, D.C., July 2–8, 1989
- Vol. T152, Sedimentology and Thermal Mechanical History of Basins in the Central Appalachian Orogen: Pittsburgh, Pennsylvania to Wallops Island, Virginia, July 1–8, 1989
- Vol. T150, Central and Southern Appalachian Geomorphology. Tennessee, Virginia, and West Virginia: Maryville, Tennessee to Washington, D.C. July 2–9, 1989
- Vol. T147, Precambrian and Paleozoic Geology and Ore Deposits in the Midcontinent Region: Rosiclare, Illinois to Ironton and Viburnum, Missouri: June 30–July 8, 1989
- Vol. T145, Early Proterozoic Rocks of the Great Lakes Region: Sudbury, Ontario, Canada to Duluth, Minnesota, U.S.A, July 1–7, 1989
- Vol. T143, Carboniferous Geology of the Eastern United States: St. Louis, Missouri to Washington, D.C. June 28–July 8, 1989
- Vol. T138, Extensional Tectonics in the Basin and Range Province Between the Southern Sierra Nevada and the Colorado Plateau: The Basin and Range Province of Southern Nevada and Southeastern California June 30–July 7, 1989
- Vol. T135, The Idaho-Wyoming Thrust Belt: Salt Lake City, Utah to Jackson, Wyoming, June 30–July 7, 1989
- Vol. T132, Tertiary and Cretaceous Coals in the Rocky Mountains Region: Casper, Wyoming to Salt Lake City, Utah June 29–July 8, 1989
- Vol. T131, Devils Tower—Black Hills Alkalic Igneous Rocks and General Geology
- Vol. T130, Geology of the Colorado Plateau: Grand Junction to Denver, Colorado June 30–July 7, 1989
- Vol. T129, Mineral Deposits and Geology of Central Colorado: Red Rocks Park to Cripple Creek, Colorado July 2–8, 1989
- Vol. T125, Cambrian and Early Ordovician Stratigraphy and Paleontology of the Basin and Range Province, Western United States: Las Vegas, Nevada to Salt Lake City, Utah, July 1–7, 1989
- Vol. T124, Shelf Carbonates of the Paradox Basin San Juan River Field Trip: Bluff to Lake Powell, Utah, July 3–9, 1989
- Vol. T122, Early Mesozoic Tectonics of the Western Great Basin, Nevada: Battle Mountain to Yerington District, Nevada, July 1–7, 1989
- Vol. T121, Tectonics of the Eastern Part of the Cordilleran Orogenic Belt, Chihuahua, New Mexico and Arizona: El Paso, Texas to Tucson, Arizona June 29–July 4, 1989
- Vol. T120, Coal, Uranium, and Oil and Gas in Mesozoic Rocks of the San Juan Basin: Anatomy of a Giant Energy‐Rich Basin: Sandia Mountains to Mesita, New Mexico June 30–July 7, 1989
- Vol. T119, Cretaceous Shelf Sandstones and Shelf Depositional Sequences, Western Interior Basin, Utah, Colorado and New Mexico: Salt Lake City, Utah to Albuquerque, New Mexico June 30–July 7, 1989
- Vol. T117, Quaternary Geology of the Great Basin: Inglewood, California to Salt Lake City, Utah June 27–July 8, 1989
- Vol. T116/389, Overflight of the Tectonic Boundary Between the Colorado Plateau and the Basin Range Provinces: Northwest Arizona July 6–7, 1989 July 20–21, 1989
- Vol. T115/315, Geology of Grand Canyon, Northern Arizona (with Colorado River Guides): Lee Ferry to Pierce Ferry, Arizona
- Vol. T113, Petroleum Potential of the Basin and Range Province: Central Nevada July 3–7, 1989
- Vol. T110, Sedimentation and Tectonics in Coastal Southern California
- Vol. T109, Mesozoic and Cenozoic Siliceous Sediments of California: San Francisco to Los Angeles, California, July 3–7, 1989
- Vol. T108, Tectonic Evolution of Northern California: Sausalito to Yosemite National Park, California, June 28–July 7, 1989
- Vol. T106, IGC Field Trip T106: Cenozoic Volcanism in the Cascade Range and Columbia Plateau, Southern Washington and Northernmost Oregon
- Vol. T105, Geology of San Francisco and Vicinity: San Francisco Bay Region, California: July 1–7, 1989
- Vol. T104, Alaskan Geological and Geophysical Transect
- Vol. T102, Quaternary Geology and Permafrost Along the Richardson and Glen Highways Between Fairbanks and Anchorage, Alaska: Fairbanks to Anchorage, Alaska July 1–7, 1989
- Vol. T101, Modern Clastic Depositional Systems of South-Central Alaska: Anchorage to Cordova, Alaska June 29–July 7, 1989
No books have been published in this series since 2009.
- Vol. T388, Geology of the Wine Country of New York Rochester to Brooklyn, New York: July 20–28, 1989
- Vol. T385, Physical and Hydrologic-Flow Properties of Fractures Las Vegas, Nevada—Zion Canyon, Utah—Grand Canyon, Arizona—Yucca Mountain, Nevada July 20–24, 1989
- Vol. T382, Engineering Geology of Major Dams on the Columbia River Puget Sound Basin to Northern Rocky Mountains July 21–30, 1989
- Vol. T381, Landslides in Central California: San Francisco and Central California, July 20–29, 1989
- Vol. T380, Contrasts in Style of American Thrust Belts: Alabama, Arkansas-Oklahoma, Wyoming-Idaho, Montana, July 20–31, 1989
- Vol. T376, Carbonate Rock Sequences From the Cretaceous of Texas: San Antonio to Austin, Texas, July 20–26, 1989
- Vol. T375, Quaternary Geology and Sedimentology of the Barrier Island and Marshy Coast, West-Central Florida, U.S.A.: Mullet Key, Pinellas County to Crystal River, Florida, July 20–23, 1989
- Vol. T374, Carbonate Environments and Sequences of Caicos Platform: Caicos, British West Indies to Miami, Florida, July 20–26, 1989
- Vol. T373, Giant Subtidal Stromatolites and Related Sedimentary Features Lee Stocking Island, Exumas, Bahamas July 20–22, 1989
- Vol. T372, Upper Cretaceous and Paleogene Biostratigraphy and Lithostratigraphy of the Eastern Gulf Coastal Plain: Memphis, Tennessee to Atlanta, Georgia, July 20–30, 1989
- Vol. T371, Modern Clastic Depositional Environments, South Carolina: Charleston to Columbia, South Carolina, July 20–25, 1989
- Vol. T370, Coastal Depositional Systems, Northwest Gulf of Mexico: New Orleans, Louisiana to Houston, Texas, July 21–25, 1989
- Vol. T368, Geology and Hydrocarbon Potential of the Eastern Overthrust: Knoxville, Tennessee to Washington, D.C., July 20–23, 1989
- Vol. T365, Geological Cross-Section Through Part of the Southern Appalachian Orogen: Inner Piedmont to Valley and Ridge (North Carolina, Tennessee and Virginia), July 20–26, 1989
- Vol. T363, Tectonics of the Virginia Blue Ridge and Piedmont Culpeper to Richmond, Virginia
- Vol. T362, Marble, Granite and Slate Industries of Vermont: Isle LaMotte to Graniteville, Vermont
- Vol. T361, Geology and Engineering Geology of the New York Metropolitan Area
- Vol. T359, Tectonostratigraphic Terranes in the Northern Appalachians: Their Distribution, Origin, and Age; Evidence for Their Existence. Albany, New York to Providence, Rhode Island, July 19–26, 1989
- Vol. T358, Northern Appalachian Transect: Southeastern Quebec, Canada Through Western Maine, U.S.A.; Quebec City, Canada to Portland, Maine, July 20–26, 1989
- Vol. T357, Geometry and Deformation Fabrics in the Central and Southern Appalachian Valley and Ridge and Blue Ridge: Frederick, Maryland to Allatoona Dam, Georgia July 20–27, 1989
- Vol. T354, Paleozoic Sea-Level Changes in the Appalachian Basin: Washington, D.C., July 20–24, 1989
- Vol. T352, Characteristics of the Mid-Carboniferous Boundary and Associated Coal-Bearing Rocks in the Appalachian Basin: Morgantown, West Virginia to Chattanooga, Tennessee, July 19–27, 1989
- Vol. T351, Tectonic, Depositional, and Pleoecological History of Early Mesozoic Rift Basins, Eastern North America
- Vol. T350, Geomorphology and Plant Ecology of the Shenandoah Valley: Waterlick to Strasburg, Virginia
- Vol. T346, Montana High-Potassimn Igneous Province: Crazy Mountains to Jordan, Montana
- Vol. T345, Duluth Complex and Associated Rocks of the Midcontinent Rift System: Minneapolis to Duluth, Minnesota
- Vol. T344, Lake Superior Basin Segment of the Midcontinent Rift System
- Vol. T338, Porphyry Copper Deposits in the American Southwest: Tucson to Globe-Miami, Arizona July19–23, 1989
- Vol. T337, Cordilleran Volcanism, Plutonism, and Magma Generation at Various Crustal Levels, Montana and Idaho Western Montana and Central Idaho
- Vol. T334, Middle Proterozoic Belt Supergroup, Western Montana: Great Falls, Montana to Spokane, Washington, July 20–28, 1989
- Vol. T332, Precambrian Rocks and Mineralization, Southern Wyoming Province Hartville Uplift to Copper Mountain Area, Wyoming, July 19–25, 1989
- Vol. T331, Late Proterozoic and Cambrian Tectonics, Sedimentation, and Record of Metazoan Radiation in the Western United States: Pocatello, Idaho, to Reno, Nevada 20–29 July, 1989
- Vol. T328, Yellowstone and Grand Teton National Parks and the Middle Rocky Mountains: Casper, Wyoming to Salt Lake City, Utah, July 20–30, 1989
- Vol. T324, Evolution of Resource-Rich Foreland and Intennontane Basins in Eastern Utah and Western Colorado: Salt Lake City, Utah to Grand Junction, Colorado, July 20–24, 1989
- Vol. T322, Mesozoic/Cenozoic Vertebrate Paleontology: Classic Localities, Contemporary Approaches. Salt Lake City, Utah to Billings, Montana, July 19–27, 1989
- Vol. T320, Mineralization in Silicic Calderas: Questa, New Mexico and the San Juan Mountains, Colorado. Taos, New Mexico to Lake City, Colorado, July 20–July 25, 1989
- Vol. T318, Rio Grande Rift: El Paso, Texas to Denver, Colorado, July 20–30, 1989
- Vol. T317, Structure and Stratigraphy of Trans-Pecos Texas: El Paso to Guadalupe Mountains and Big Bend July 20–29, 1989
- Vol. T313, Quaternary Volcanism of Long Valley Caldera and Mono-Inyo Craters, Eastern California Long Valley Caldera, California July 20–27, 1989
- Vol. T312, South Cascades Arc Volcanism, California and Southern Oregon: Red Bluff to Redding, California, July 20–26, 1989
- Vol. T311, Oil in the Monterey California Formation Los Angeles to Santa Maria, California July 20-24, 1989
- Vol. T310, Glacial Lake Missoula and the Channeled Scabland Missoula, Montana to Portland, Oregon, July 20–26, 1989
- Vol. T309, The San Andreas Transform Belt: Long Beach to San Francisco, California July 20–29, 1989
- Vol. T308, Geologic Evolution of the Northernmost Coast Ranges and Western Klamath Mountains, California: Galice, Oregon to Eureka, California July 20–28, 1989
- Vol. T307, Accreted Terranes of the North Cascades Range, Washington: Spokane to Seattle, Washington, July 21–29, 1989
- Vol. T306, Guide to Geology of the Cascade Range: Portland, Oregon to Seattle, Washington
- Vol. T305, Snake River Plain-Yellowstone Volcanic Province: Jackson, Wyoming to Boise, Idaho July 21–29, 1989
- Vol. T301, Glaciers and Glaciology of Alaska: Anchorage to Juneau, Alaska July 21–29, 1989
- Vol. T244, Titaniun-Mineral Deposits of the Roseland Anorthosite-Ferrodiorite Terrane, Blue Ridge Province of Central Virginia: Nelson and Amherst Counties, Virginia, July 15–16, 1989
- Vol. T243, The Industrial Minerals and Rodingite Dikes of the Hunting Hill Serpentinite Mass, Montgomery County, Maryland: Hunting Hill Quarry, Maryland, July 12, 1989
- Vol. T242, Anthracite Basins of Eastern Pennsylvania: Pottsville to Shamokin, Pennsylvania July 15–16, 1989
- Vol. T241, Ultramafite-Associated Cu-Fe-Co-Ni-Zn Deposits of the Sykesville District, Maryland Piedemont: Sykesville, Maryland, July 17, 1989
- Vol. T236, Geomorphology, Vegetation, and Patowmack Canal Construction Problems: Great Falls Park, Potomac River, Virginia: Potomac River Gorge, Virginia, July 13, 1989
- Vol. T235, A Different View of Stone Monuments, Memorials and Buildings of Washington, D.C.: Washington, D.C., July 13, 1989
- Vol. T234, Engineering Geology of Washington, D.C.: Washington, D.C. to Greenbelt, Maryland, July 14, 1989
- Vol. T233, Shoreline Erosion in the Upper Chesapeake Bay: Point Lookout State Park to Calvert Cliffs State Park, Maryland, July 16, 1989
- Vol. T232, Hydrogeology of the Washington, D.C., area, (Virginia, Maryland, District of Columbia): Reston, Virginia to Prince Frederick, Maryland, July 14, 1989
- Vol. T231, Seismic and Geochemical Research in Chesapeake Bay, Maryland: Sandy Point State Park, Annapolis, Maryland, July 15 and 18, 1989
- Vol. T227, Structural Transect of the Central Appalachian Fold-and-Thrust Belt: Harpers Ferry, West Virginia to Cumberland, Maryland July 15, 1989
- Vol. T226, Lower Mississippian Foreland Basin Deposits of Western Maryland: Hancock to Keysers Ridge, Maryland July 14, 1989
- Vol. T221, Early Paleozoic Continental Shelf to Basin Transition, Northern Virginia: Strasburg to Riverton, Virginia July 13, 1989
- Vol. T219, Flyover Showing Geomorphology and Coastal Processes Along the Atlantic Shoreline: Cape Henlopen, Delaware to Cape Charles, Virginia, July 17–18, 1989
- Vol. T218, Geomorphology, Neotectonics and Process Studies in the Rappahannock River Basin, Virginia: Marshall to Oak Grove, Virginia, July 15–16, 1989
- Vol. T217, Coastal Geomorphology of the Maryland and Delaware Barrier Islands: Assateague Island, Maryland to Broadkill Beach, Delaware, July 15–16, 1989
- Vol. T216, Tertiary Stratigraphy and Paleontology, Chesapeake Bay Region, Virginia and Maryland: Chesapeake Bay Region, Virginia and Maryland, July 15–July 17
- Vol. T214, Atlantic Coastal Plain Sedimentation and Basement Tectonics Southeast of Washington, D.C.: Fort Washington to Waldorf, Maryland, July 13, 1989
- Vol. T213, Fluvial and Lacustrine Facies of the Early Mesozoic Culpeper Basin: Virginia and Maryland. Seneca, Maryland to Stevensburg, Virginia, July 14, 1989
- Vol. T211, Cretaceous and Tertiary Stratigraphy of the Elk Neck Area, Northeastern Maryland: Elk Neck State Park, Maryland, July 12, 1989
- Vol. T209, Exploration of Rock Creek Park—North: Washington, D.C., July 17, 1989
- Vol. T208, Geological Exploration of the Southern Rock Creek Valley in DC: Washington, D.C., July 13, 1989
- Vol. T207, Stratigraphy and Structure Across the Blue Ridge and Inner Piedmont in Central Virginia: Culpeper to Charlottesville, Virginia, July 15–16, 1989
- Vol. T206, Highlights of the Geology and Engineering of the Chesapeake and Ohio Canal: Washington, D.C. to Frostburg, Maryland July 15, 1989
- Vol. T204, Petrology and Structure of Gneiss Anticlines Near Baltimore, Maryland: Baltimore County, Maryland, July 15, 1989
- Vol. T203, Metabasalts and Related Rocks of the Blue Ridge Province: Traces of Proterozoic Rifting in Eastern North America: Shenandoah National Park to Bull Run Mountains, Virginia, July 14, 1989
- Vol. T202, Metamorphic Rocks of the Potomac Terrane in the Potomac Valley of Virginia and Maryland: The Piedmont of Fairfax County, Virginia, July 13 and 18, 1989
- Vol. T201, Jurassic Igneous Rocks of the Culpeper Basin, Virginia: Warrenton to Rapidan, Virginia, July 12, 1989
- Vol. T188/304, Geological Field Guide to the Hawaiian Islands: Hilo to Honolulu, Hawaii, July 1–7, 1989, July 21–27, 1989
- Vol. T186, The Geology of the Nevada Test Site and Surrounding Area: Clark and Nye Counties, Nevada, July 5–7, 1989
- Vol. T185, The Lithostratigraphy and Hydrostratigraphy of the Floridan Aquifer System in Florida: Tampa to Tallahassee, Florida July 1–7, 1989
- Vol. T182, Remote Sensing in Exploration Geology: Golden, Colorado to Washington, D.C., June 30–July 8, 1989
- Vol. T181, Engineering Geology of Western United States Urban Centers: Los Angeles, California to Denver, Colorado June 27–July 7, 1989
- Vol. T180, Tectonics of the Scotia Arc, Antarctica: Punta Arenas, Chile to Ushuaia, Argentina January 1–February 1, 1989
- Vol. T178, Florida Phosphate Deposits: Tampa to Jacksonville, Florida June 30–July 7, 1989
- Vol. T176, Reefs of Florida and the Dry Tortugas: Miami to Key West, Florida July 2–7, 1989
- Vol. T175, Pleistocene and Holocene Carbonate Environments on San Salvador Island, Bahamas: San Salvador Island, Bahamas, July 2–7, 1989
- Vol. T173, Depositional Settings of Texas Lignites: Dallas to San Antonio, Texas, July 4–8, 1989
- Vol. T172, Upper Cretaceous and Cenozoic Geology of the Southeastern Atlantic Coastal Plain: Atlanta, Georgia to Chesapeake, Virginia July 1–9, 1989
- Vol. T171, Outer Banks Depositional Systems, North Carolina: Bogue Bank to Cape Lookout, North Carolina July 4–7, 1989
- Vol. T170, Mississippi River Depositional System: Baton Rouge to New Orleans, Louisiana July 3–7, 1989
- Vol. T169, Boston to Buffalo, in the Footsteps of Amos Eaton and Edward Hitchcock: Boston, Massachusetts to Washington, D.C. June 28–July 8, 1989
- Vol. T167, Southern Appalachian Windows: Comparison of Styles, Scales, Geometry and Detachment Levels of Thrust Faults in the Foreland and Internides of a Thrust-Dominated Orogen: Atlanta, Georgia to Winston-Salem, North Carolina June 28–July 8, 1989
- Vol. T166, Structures of the Appalachian Foreland Fold-Thrust Belt: New York City, to Knoxville, Tennessee, June 27–July 8, 1989
- Vol. T164, The Adirondack Mountains—A Section of Deep Proterozoic Crust: Montreal, Canada to Albany, New York June 30–July 8, 1989
- Vol. T162, A Transect Through the New England Appalachians: Burlington, Vermont to Durham, New Hampshire July 2–8, 1989
- Vol. T161, Cambro-Ordovician Carbonate Banks and Siliciclastic Basins of the United States Appalachians: Knoxville, Tennessee to Hagerstown, Maryland, June 30–July 9, 1989
- Vol. T157, Valley and Ridge and Blue Ridge Traverse, Central Virginia
- Vol. T156, Sedimentary Sequences in a Foreland Basin: The New York System: Syracuse, New York to Washington, D.C., July 2–8, 1989
- Vol. T152, Sedimentology and Thermal Mechanical History of Basins in the Central Appalachian Orogen: Pittsburgh, Pennsylvania to Wallops Island, Virginia, July 1–8, 1989
- Vol. T150, Central and Southern Appalachian Geomorphology. Tennessee, Virginia, and West Virginia: Maryville, Tennessee to Washington, D.C. July 2–9, 1989
- Vol. T147, Precambrian and Paleozoic Geology and Ore Deposits in the Midcontinent Region: Rosiclare, Illinois to Ironton and Viburnum, Missouri: June 30–July 8, 1989
- Vol. T145, Early Proterozoic Rocks of the Great Lakes Region: Sudbury, Ontario, Canada to Duluth, Minnesota, U.S.A, July 1–7, 1989
- Vol. T143, Carboniferous Geology of the Eastern United States: St. Louis, Missouri to Washington, D.C. June 28–July 8, 1989
- Vol. T138, Extensional Tectonics in the Basin and Range Province Between the Southern Sierra Nevada and the Colorado Plateau: The Basin and Range Province of Southern Nevada and Southeastern California June 30–July 7, 1989
- Vol. T135, The Idaho-Wyoming Thrust Belt: Salt Lake City, Utah to Jackson, Wyoming, June 30–July 7, 1989
- Vol. T132, Tertiary and Cretaceous Coals in the Rocky Mountains Region: Casper, Wyoming to Salt Lake City, Utah June 29–July 8, 1989
- Vol. T131, Devils Tower—Black Hills Alkalic Igneous Rocks and General Geology
- Vol. T130, Geology of the Colorado Plateau: Grand Junction to Denver, Colorado June 30–July 7, 1989
- Vol. T129, Mineral Deposits and Geology of Central Colorado: Red Rocks Park to Cripple Creek, Colorado July 2–8, 1989
- Vol. T125, Cambrian and Early Ordovician Stratigraphy and Paleontology of the Basin and Range Province, Western United States: Las Vegas, Nevada to Salt Lake City, Utah, July 1–7, 1989
- Vol. T124, Shelf Carbonates of the Paradox Basin San Juan River Field Trip: Bluff to Lake Powell, Utah, July 3–9, 1989
- Vol. T122, Early Mesozoic Tectonics of the Western Great Basin, Nevada: Battle Mountain to Yerington District, Nevada, July 1–7, 1989
- Vol. T121, Tectonics of the Eastern Part of the Cordilleran Orogenic Belt, Chihuahua, New Mexico and Arizona: El Paso, Texas to Tucson, Arizona June 29–July 4, 1989
- Vol. T120, Coal, Uranium, and Oil and Gas in Mesozoic Rocks of the San Juan Basin: Anatomy of a Giant Energy‐Rich Basin: Sandia Mountains to Mesita, New Mexico June 30–July 7, 1989
- Vol. T119, Cretaceous Shelf Sandstones and Shelf Depositional Sequences, Western Interior Basin, Utah, Colorado and New Mexico: Salt Lake City, Utah to Albuquerque, New Mexico June 30–July 7, 1989
- Vol. T117, Quaternary Geology of the Great Basin: Inglewood, California to Salt Lake City, Utah June 27–July 8, 1989
- Vol. T116/389, Overflight of the Tectonic Boundary Between the Colorado Plateau and the Basin Range Provinces: Northwest Arizona July 6–7, 1989 July 20–21, 1989
- Vol. T115/315, Geology of Grand Canyon, Northern Arizona (with Colorado River Guides): Lee Ferry to Pierce Ferry, Arizona
- Vol. T113, Petroleum Potential of the Basin and Range Province: Central Nevada July 3–7, 1989
- Vol. T110, Sedimentation and Tectonics in Coastal Southern California
- Vol. T109, Mesozoic and Cenozoic Siliceous Sediments of California: San Francisco to Los Angeles, California, July 3–7, 1989
- Vol. T108, Tectonic Evolution of Northern California: Sausalito to Yosemite National Park, California, June 28–July 7, 1989
- Vol. T106, IGC Field Trip T106: Cenozoic Volcanism in the Cascade Range and Columbia Plateau, Southern Washington and Northernmost Oregon
- Vol. T105, Geology of San Francisco and Vicinity: San Francisco Bay Region, California: July 1–7, 1989
- Vol. T104, Alaskan Geological and Geophysical Transect
- Vol. T102, Quaternary Geology and Permafrost Along the Richardson and Glen Highways Between Fairbanks and Anchorage, Alaska: Fairbanks to Anchorage, Alaska July 1–7, 1989
- Vol. T101, Modern Clastic Depositional Systems of South-Central Alaska: Anchorage to Cordova, Alaska June 29–July 7, 1989