From Introduction: "The Nogales Quadrangle, Arizona (Fig. 1), was evaluated to identify geologic environments and delineate areas that exhibit characteristics favorable for the occurrence of uranium deposits."

"This report is a result of work performed by the Arizona Bureau of Geology and Mineral Technology, through a Bendix FIeld Engineering Corporation Subcontract, as part of the National Uranium Resource Evaluation. NURE is a program of the U.S. Department of Energy's Grand Junction, Colorado, Office to acquire and compile geologic and other information with which to assess the magnitude and distribution of uranium resources and to determine areas favorable for the occurrence of uranium in the United States" "This report describes all known naturally anomalous radioactive occurrences in Arizona."