Latitude: 31°52'32"N
Longitude: 111°15'12"W
‡Ref.: Allen, M.A. (1922) Arizona gold placers: Arizona Bureau of Mines Bulletin No. 118, 24 p., 1 sheet: 12.
Wilson, E.D. (1927), Arizona gold placers, 2nd. ed. (revised), University of Arizona Bull. 124: 45.
Arizona Bureau of Mines Bull. 135 (1933), Arizona gold placers and placering: 63-64.
Wilson, E.D. (1952), Arizona gold placers and placering (Fifth edition revised): Arizona Bureau of Mines Bull. 160: 80.
Wilson, E.D. (1961) Gold Placers and Placering in Arizona. Arizona Bureau of Mines Bull. 168 (revised 1978): 80.
Johnson, M.G. (1972), Placer gold deposits of Arizona, USGS Bull. 1355, 103p.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 131 (Table 4).
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 236.
USGS Palo Alto Ranch Quadrangle topo map.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10108983, MRDS ID #M001074; and, Dep. ID #10234329, MAS ID #0040190106.
A former small surface placer Au mine/deposit area located in sec. 12, T.18S., R.10E., along Ash Creek on the Sunshine-Sunrise group of claims & in Pescola Canyon, 5 to 9 miles E of the Palo Alto Ranch and about 30 miles SW of Tucson, on the west side of the Sierrita Mountains.
Mineralization is relatively small placer deposits, hosted in gravel, resulting from weathering and erosion of mineralized veins and replacement bodies.
Worked mainly prior to 1900 by Mexicans, and to a small extent in the 1930's and 1940's. Total estimated production was not more than a few 1,000's of ounces of placer gold.
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