Mineral-Resource Potential of the Mazatzal Wilderness and Contiguous RARE II Further Planning Area, Gila, Maricopa, and Yavapai Counties, Arizona, report, 1982; (https://digital.library.unt.edu/ark:/67531/metadc784278/m1/1/: accessed May 20, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .