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Author
- Geological Survey (U.S.)102
- Instituto Geográfico e Cadastral (Portugal)13
- Jones, Leslie A. (Leslie Allen), 1922- cartographer3
- Denoyer-Geppert Company2
- Fyles, J. G. (John Gladstone), 1923- geologist2
- Great Britain. Directorate of Overseas Surveys2
- United States. Forest Service. Eastern Region2
- Canada. Department of Mines and Technical Surveys1
- Canada. Surveys and Mapping Branch1
- Canada. Surveys and Mapping Branch, Auteur1
- Christie, Robert Loring, 1926-1999, geologist1
- Cyprus. Tmēma Geōlogikēs Episkopēsēs.1
- Gadd, N. R., geologist1
- Georg Westermann Verlag1
- Hintze, Lehi F., compiler1
- Laffitte, Pierre1
- Liestøl, Olav1
- New York State Geological Survey, compiler, issuing body1
- Ontario. Department of Mines1
- Ontario. Department of Mines, issuing body1
