Clarke, O. M., Jr. (1953). Geochemical prospecting for copper at Ray, Arizona.
Cita Chicago Style (17a ed.)Clarke, Otis M., Jr. Geochemical Prospecting for Copper at Ray, Arizona. 1953.
Cita MLA (8a ed.)Clarke, Otis M., Jr. Geochemical Prospecting for Copper at Ray, Arizona. 1953.
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