Sources:
Howland Bancroft. 1911. Reconnaissance of the Ore Deposits in Northern Yuma County, Arizona. Dept. of the Interior. U.S. Geological Survey. Bulletin 451. Washington, D.C.
Wm. P. Blake. Report of the Territorial Geologist, in Report of the Governor of Arizona, 1898: Misc. Reports, Washington, D.C. Pp. 251-254.
Ed De Witt, S.M. Richard, J.R. Hassemer, W.F. Hanna and J.R. Thompson. 1988. Mineral Resources of the Harquahala Mountains Wilderness Study Area, La Paz and Maricopa Counties, Arizona. U.S. Geological Survey Bulletin 1701-C.
Stephen M. Richard, Charles Ferguson and Steven Skotnicki. Geology of the Fortuna Mine, Yuma County, Arizona. Arizona Geological Survey. Open-File Report 97-16. Revised May 1999.
James E. Sherman and Barbara H. Sherman. 1969. Ghost Towns of Arizona. Norman, University of Oklahoma Press.
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Eldred D. Wilson. Geology and Mineral Deposits of Southern Yuma County Arizona. Arizona Bureau of Mines Bulletin 134. Tucson, University of Arizona, Revised 1935.
Sources: Howland Bancroft. 1911. Reconnaissance of the Ore Deposits in Northern Yuma County, Arizona. Dept. of the Interior. U.S. Geological Survey. Bulletin 451. Washington, D.C. Wm. P. Blake. Report of the Territorial Geologist, in Report of the Governor of Arizona, 1898: Misc. Reports, Washington, D.C. Pp. 251-254. Ed De Witt, S.M. Richard, J.R. Hassemer, W.F. Hanna and J.R. Thompson. 1988. Mineral Resources of the Harquahala Mountains Wilderness Study Area, La Paz and Maricopa Counties, Arizona. U.S. Geological Survey Bulletin 1701-C. Stephen M. Richard, Charles Ferguson and Steven Skotnicki. Geology of the Fortuna Mine, Yuma County, Arizona. Arizona Geological Survey. Open-File Report 97-16. Revised May 1999. James E. Sherman and Barbara H. Sherman. 1969. Ghost Towns of Arizona. Norman, University of Oklahoma Press. Eldred D. Wilson. Geology and Mineral Deposits of Southern Yuma County Arizona. Arizona Bureau of Mines Bulletin 134. Tucson, University of Arizona, Revised 1935.
For a list of the sources used in this story, see the online version at tucson.com.
