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- United States. Bureau of Land Management18
- United States. Central Intelligence Agency12
- National Atlas & Thematic Mapping Organisation (India)8
- United States. Minerals Management Service7
- Geological Survey (U.S.)5
- Jones, M. A. (Myrtle Anne), 1952-5
- Hayʾah al-Miṣrīyah al-ʻĀmmah lil-Tharwah al-Maʻdinīyah3
- United States. Forest Service3
- Sri Lanka. Minindōru Depārtamēntuva2
- St-Onge, M. R.2
- Tourist Maps Kenya Ltd2
- United States. Agency for International Development2
- Accu-map1
- Bhutan. Department of Survey & Land Records1
- Chase, Katherine J.1
- Durand, Frédéric, 1961-1
- Freytag, Berndt und Artaria1
- Geological Survey (Namibia)1
- Geological Survey of India. Antarctica Division1
- Gettings, M. E. (Mark E.)1
