TY - RPRT TI - Preliminary reconnaissance bedrock geologic map of the Casa Grande East Quadrangle, Pinal County, Arizona AU - Joel R. Bergquist AU - Philip Merrill Blacet PY - 1979 DO - 10.3133/ofr79391 UR - https://pubs.usgs.gov/publication/ofr79391 ID - ofr79391 ER -