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- Geological Survey (U.S.)240
- Tanzania. Idara ya Upimaji na Ramani16
- Instituto Geográfico Nacional (Guatemala)10
- United States. Central Intelligence Agency8
- Geological Survey of Canada6
- United States. Defense Mapping Agency. Hydrographic Center6
- Love, J. D. (John David), 1913-20025
- Mower, R. W. (Reed W.), 1924-5
- Richmond, Gerald Martin, 1914-5
- Tanzania5
- Norris, Ronald L. (Ronald Lee)4
- Osterkamp, W. R.4
- Richter, Donald H.4
- Simpson, Howard E.4
- Johnson, William D.3
- Lebanon. Wizārat al-Difāʻ al-Waṭanī.3
- Luft, Stanley Jeremie, 1927-3
- United States. Army Map Service3
- Consiglio nazionale delle ricerche (Italy). Comitato per le scienze geologiche e minerarie, issuing body2
- Cooley, M. E. (Maurice E.)2
