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By: McCartney, George Chester. - Simpson, George Gaylord, - Scarritt Patagonian ExpeditionEdition:Publication info: New York City, The American Museum of Natural History, [1933]Volume: no.630 (1933)Series:Holding Institution: American Museum of Natural History LibrarySubjects: 55.2,22(82.9) Bentonite Geology Geology, Stratigraphic Igneous rocks Patagonia (Argentina and Chile) Petrology TertiaryBHL Collections: