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- Geological Survey (U.S.)✖[remove]22,047
- Kentucky Geological Survey721
- U.S. Atomic Energy Commission281
- United States. National Aeronautics and Space Administration242
- Gannett, Henry, 1846-1914203
- United States. Bureau of Land Management105
- Renshawe, John H.98
- State Geological and Natural History Survey of Connecticut94
- Thompson, A. H. (Almon Harris), 1839-190689
- U.S. Fish and Wildlife Service89
- National Science Foundation (U.S.)88
- Geological Survey of Alabama80
- Massachusetts. Dept. of Public Works73
- Wilson, Herbert M. (Herbert Michael), 1860-192069
- United States. National Park Service68
- Puerto Rico. Dept. of the Interior66
- Marshall, R. B.60
- Goode, Richard Urquhart, 1858-190359
- Puerto Rico. Dept. of Public Works59
- United States. Bureau of Public Roads58