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- Geological Survey (U.S.)53
- Instituto Geográfico e Cadastral (Portugal)14
- Geological Survey (South Africa)4
- Wilson, M. E., geologist3
- Geological Survey of Canada2
- United States. Forest Service. Pacific Northwest Region2
- Alberta Society of Petroleum Geologists1
- Canada. Surveys and Mapping Branch, Auteur1
- Cate, Addison S.1
- Chase, Thomas E.1
- Chidester, A. H. (Alfred Herman), 1914-1
- Cobb, Edward Huntington, 1916-1
- Dane, C. H. (Carle Hamilton), 1900-19681
- Geological Survey of Canada, cartographer1
- Institut ėtnografii imeni N.N. Miklukho-Maklai︠a︡.1
- Jones, Leslie A. (Leslie Allen), 1922- cartographer1
- Karl Wenschow GmbH, cartographer1
- Ordnance Survey (Ireland)1
- Serviços Geológicos de Portugal1
- Survey of India, cartographer, issuing body1
