A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Manganese deposits of Eastern Arizona
Results of field examinations on 151 manganese deposits in 9 counties of eastern Arizona; locations of deposits, history, production, ownership, geologic setting, and mining methods used; ore dressing studies were made of typical ores from several of larger districts.
Manganese deposits of Eastern Arizona
Results of field examinations on 151 manganese deposits in 9 counties of eastern Arizona; locations of deposits, history, production, ownership, geologic setting, and mining methods used; ore dressing studies were made of typical ores from several of larger districts.
Manganese deposits of Eastern Arizona
US Bur Mines -- Information Cir
Farnham, L.L. (author) / Stewart, L.A. (author) / DeLong, C.W. (author)
1961
178 pages
Report
English
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