Catalog
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Stratigraphic revision and depositional environments of the Upper Cretaceous Toreva Formation in the northern Black Mesa area, Navajo and Apache counties, Arizona
Franczyk, Karen J.[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1988. Washington : United States Government Printing Office.Online purl.fdlp.gov
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Measured section of the Pennsylvanian Hermosa Group near Ouray, Colorado [microform]
Franczyk, Karen J.[Denver, CO] : U.S. Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor, 1994] -
Measured section of the Pennsylvanian Hermosa Group near Hermosa, Colorado [microform]
Franczyk, Karen J.[Denver, CO] : U.S. Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor, 1992]
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