Last edited by Mozil
Saturday, July 18, 2020 | History

3 edition of Investigation of Keystone and st. George Copper-Zinc Deposits Cochise County, Ariz. found in the catalog.

Investigation of Keystone and st. George Copper-Zinc Deposits Cochise County, Ariz.

United States. Bureau of Mines.

Investigation of Keystone and st. George Copper-Zinc Deposits Cochise County, Ariz.

by United States. Bureau of Mines.

  • 118 Want to read
  • 19 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesReport of investigations (United States. Bureau of Mines) -- 4504
ContributionsRomslo, T.
ID Numbers
Open LibraryOL21748475M


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Investigation of Keystone and st. George Copper-Zinc Deposits Cochise County, Ariz by United States. Bureau of Mines. Download PDF EPUB FB2

Additional Physical Format: Online version: Romslo, T.M. Investigation of Keystone and St. George copper-zinc deposits, Cochise County, Ariz.

(OCoLC) An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker. Audio. An illustration of a " floppy disk. Software. An illustration of two photographs. Images.

An illustration of a heart shape Donate. An illustration of text ellipses. Discovery of the ore deposits in Michigan in the early 's began a new era for copper production in the United States.

Extensive ore bodies were found in Montana and Arizona during the years toand smelter production from domestic ores increased from MT ( tons) in to 27, MT (30, tons) in This banner text can have markup.

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