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- United States Coast Survey139
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- Aerospace Center (U.S.)4
- United States. Forest Service. Rocky Mountain Region3
- Cyprus. Ktēmatologiko kai Chōrometriko Tmēma.2
- National Geographic Maps (Firm)2
- Petroleum Economist Ltd2
- Clayton, Lee, 1938-1
- Ham, Nelson R.1
- Hardt, Roland W.1
- International Travel Maps (Firm)1
- Isachsen, Yngvar W., 1920-1
- Kiilsgaard, Thor H.1
- Kungnip Chiriwŏn.1
- Makhon ha-geʾologi (Israel)1
- McMechan, Margaret E. (Margaret Evaline), 1953-1
- National Geographic Society (U.S.)1
- National Geographic Society (U.S.). National Geographic Maps1
- Shrake, Douglas L.1
