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Geology and ore deposits of the Jerome area, Yavapai County, Arizona
C.A. Anderson, S.C. Creasey
1958, Professional Paper 308
The Jerome area, in central Arizona, includes the Mingus Mountain quadrangle and parts of the adjacent Clarkdale, Mayer, and Mount Union quadrangles. The largest copper mines in the area at Jerome are the United Verde Extension and the United Verde. The United Verde Extension, closed in 1938 and the United...
Core logs from five holes near Kramer, in the Mojave Desert, California
William K. Benda, Richard C. Erd, Ward C. Smith
1958, Open-File Report 58-12
In 1957, five test holes were drilled near Kramer, California, in =he western Mojave Desert. The drill sites are in topographic basins where gravimetric and geologic surveys indicated the presence, beneath alluvium, of a thick section of Quaternary and Tertiary sedimentary and volcanic rocks. Two holes which were deeper tests...
Geology of the manganese deposits of Cuba
Frank S. Simons, John A. Straczek
1958, Bulletin 1057
Deposits of manganese ore have been found in five of the six provinces of Cuba and have been reported from the sixth.  Only Oriente and Pinar del Rio provinces have more than a few known deposits and only the deposits of Oriente have yielded any appreciable amount of ore....