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| Geographical Surveys West of the 100th Meridian (U.S.) | — |
| Geographical Surveys West of the 100th Meridian (U.S.). | — |
| Geographical Surveys West of the 100th Meridian (U.S.) | — |
| Geolgocial Survey (U.S.) | — |
| Geological and Geographical Survey of the Territories (U.S.). | — |
| Geological and Geographical Survey of the Territories (U.S.) | — |
| Geological and Geographical Survey of the Territories (U.S) | — |
| Geological and Geographical Survey of the Territories (U.S.) | — |
| Geological and Geographical Survey of the Territories (U.S) | — |
| Geological Survey (U.S.). | — |
| Geological Survey (U.S. | — |
| Geological Survey (U.S.) | — |
| Geological Survey U.S. | — |
| . Geological Survey (U.S.) | — |
| U.S. Geological Survey Coalbed Methane Field Conference (2001 Casper, Wyo.) | — |
| U.S. Geological Survey Front Range Infrastructure Resources Project Stakeholders' Meeting (1998 Denver, Colo.) | — |
| U.S. Geological Survey Geographic Information Science Workshop (8th 2011 Denver, Colo.) | — |
| U.S. Geological Survey Global Change Research Forum (1991 Herndon, Va.) | — |
| U.S. Geological Survey National Computer Technology Meeting (1988 Phoenix, Ariz.) | — |
| U.S. Geological Survey National Computer Technology Meeting (1992 Norfolk, Va.) | — |
| U.S. Geological Survey National Computer Technology Meeting (1994 New Orleans, La.) | — |
| Geological Survey of the Territories (U.S.) | — |
| U.S. Geological Survey Pressure-Sensor Workshop (1992 Denver, Colo.) | — |
| U.S. Geological Survey Pressure-Sensor Workshop (1994 Denver, Colo.) | — |
| U.S. Geological Survey Scientific Visualization Workshop (1994 New Orleans, La.) | — |
| U.S. Geological Survey Subsidence Interest Group Conference (1995 Las Vegas, Nev.) | — |
| U.S. Geological Survey Uranium Workshop (1990 Denver Federal Center and Lakewood, Colo.) | — |
| U.S. Geological Survey Water-Quality Workshop, Northeastern Region (1st 1986 Shenandoah National Park, Va.) | — |
| U.S. Geological Survey Wildland Fire-Science Workshop (3rd 2002 Denver, Colo.) | — |
| U.S. Geological Survey Wildland Fire Workshop (2nd 2000 Los Alamos, N.M.) | — |
| U.S. Geological Survey Workshop on Developments and Applications of Modern Airborne Electromagnetic Surveys (1987 Golden, Colo.) | — |
| U.S. Geological Survey Workshop on Environmental Geochemistry (1986 Reston, Va.) | — |
| U.S. Geological Survey Workshop on Geologic Applications of Modern Aeromagnetic Surveys (1987 Lakewood, Colo.) | — |
| U.S. Geological Survey Workshop on the Application of Borehole Geophysics to Ground-water Investigations (1992 Albany, N.Y.) | — |
| U.S. Geological Survey Workshop on the Application of Borehole Geophysics to Ground-water Investigations (1992 Albany, N.Y.) (1992 Albany, N.Y.) | — |
| U.S. Geological Survey Workshop on the Early Mesozoic Basins of the Eastern United States (2nd 1984 Reston, Va.) | — |
| U.S. Geological Survey Workshop on the Geology and Geohydrology of the Atlantic Coastal Plain (1988 Reston, Va.) | — |
| Geophysics Laboratory (U.S.) | — |
| George Gustav Heye Center Staff National Museum of the American Indian (U.S.) | — |
| George Washington Bicentennial Commission (U.S.) | — |
| German Baptist Brethren (U.S.) | — |
| German Reformed Church (U.S.) | — |