Published 1949
by s.n in S.l .
Written in English
Edition Notes
1
| Series | Report of investigations (United States. Bureau of Mines) -- 4504 |
| Contributions | Romslo, T. |
| ID Numbers | |
|---|---|
| Open Library | OL21748475M |
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 to , and smelter production from domestic ores increased from MT ( tons) in to 27, MT (30, tons) in This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.
