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- Behrendt, John C., 1932-14
- Geological Survey (U.S.)10
- Humanitarian Information Centre for Liberia10
- Force, Eric R.3
- United States. Central Intelligence Agency3
- Wotorson, Cletus S.3
- Liberia Institute of Statistics and Geo-Information Services2
- Seitz, James F. (James Frederick), 1920-2
- Tysdal, Russell G.2
- Ashmun, J. (Jehudi), 1794-18281
- Brock, M. R. (Maurice Rex), 1922-1
- Coyle, Randolph1
- Gurley, Ralph Randolph, 1797-18721
- Liberian Cartographic Service1
- Liberian Geological Survey1
- Thorman, Charles H.1
- United States. Defense Mapping Agency. Hydrographic/Topographic Center1
- United States. War Dept. General Staff. War College Division1
- Wallace, Roberts M. (Roberts Manning), 1915-1
