Geologic map of the Twin Buttes Quadrangle, southwest of Tucson, Pima County, Arizona
Explore the source record for details and available documents.
IMAP↗
Geology topics
J.R. Cooper
Publications and source records attributed to J.R. Cooper.
Reconnaissance geologic map of the west side of the Sierrita Mountains, Palo Alto Ranch Quadrangle, Pima County, Arizona
Explore the source record for details and available documents.
Miscellaneous Field Studies Map↗
Reconnaissance map of the Willcox, Fisher Hills, Cochise, and Dos Cabezas quadrangles, Cochise and Graham Counties, Arizona
Explore the source record for details and available documents.
Miscellaneous Field Studies Map↗
Late Paleozoic stratigraphy of central Cochise County, Arizona
Explore the source record for details and available documents.
Professional Paper↗
San Pedro and Carnahan mines, New Placers mining district, Santa Fe County, New Mexico
Explore the source record for details and available documents.
Open-File Report↗
Tungsten, antimony, and gold deposits near Stibnite, Yellow Pine mining district, Valley County, Idaho
Explore the source record for details and available documents.
Open-File Report↗