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Author
- Geological Survey (U.S.)3
- Switzerland. Bundesamt für Landestopographie.2
- Argentina. Servicio Geológico Minero Argentino, compiler, cartographer, issuing body.1
- Chishitsu Chōsa Sōgō Sentā.1
- Commission for the Geological Map of the World.1
- Fairchild, Gillian M., cartographer.1
- Raines, Gary L.1
- Rocky Mountain Association of Geologists.1
- Schruben, Paul G.1
- Twichell, David C.1
- Virginia. Division of Mineral Resources.1