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Author
- Geological Survey (U.S.)84
- McWilliams, Richebourg G.4
- Szabo, Michael W.4
- XYZ Map Co., cartographer, publisher4
- Ontario. Department of Mines3
- United States. Central Intelligence Agency3
- Clements, T. H.2
- Donaldson, J. A. (John Allan), 1933-2
- Englund, Kenneth John, 1923-2
- Instituto Geográfico Militar (Guatemala)2
- Kent, Bion H. (Bion Huntley), 1925-2
- Monroe, Watson Hiner, 1907-19922
- National Survey (Firm)2
- Swadley, W. C.2
- United States. Forest Service2
- United States. Naval Oceanographic Office2
- Armstrong, Frank C.1
- Beards, R. J.1
- Bergendahl, M. H. (Maximilian Hilmar), 1921-1
- Brabb, Earl E., 1929-1
