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- Geological Survey (U.S.)34
- United States. Bureau of Land Management32
- United States. Central Intelligence Agency19
- Afghanistan Information Management Service4
- Bolivia. Superintendencia Agraria4
- GiziMap (Firm)3
- National Geophysical Data Center3
- Survey of India3
- Commission for the Geological Map of the World. Sub-commission for the Metallogenic Map of the World2
- Geoprojects (Great Britain) Ltd2
- Ocean Explorer Maps (Firm)2
- Oilfield Publications Limited2
- Samnakphim Phrānnokwitthayā (Bangkok, Thailand)2
- Turinta (Firm)2
- United States. Forest Service. Southern Region2
- United States. Forest Service. Southwestern Region2
- Bemis, Brynn L.1
- Berndtson & Berndtson1
- British Geological Survey1
- Chile. Servicio Nacional de Geología y Minería.1
