Wrucke, C. T. (1983). Mineral resource potential map of the Whetstone roadless area, Cochise and Pima Counties, Arizona. U.S. Geological Survey.
Chicago Style (17th ed.) CitationWrucke, Chester T. Mineral Resource Potential Map of the Whetstone Roadless Area, Cochise and Pima Counties, Arizona. Reston, Va.: U.S. Geological Survey, 1983.
MLA (9th ed.) CitationWrucke, Chester T. Mineral Resource Potential Map of the Whetstone Roadless Area, Cochise and Pima Counties, Arizona. U.S. Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.