Image:LOC MI0086 QuincyMine TIF 00027aS.png
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From the Library of Congress HAER collection, diagram delineated by Eric M Hansen, 1978, as part of the HISTORIC AMERICAN ENGINEERING RECORD, HERITAGE CONSERVATION & RECREATION SERVICE, Image shows schematic unit operations process for extracting Copper Ore from poor rock, and is Drawing #27 from the Quincy Mine collection: http://memory.loc.gov/cgi-bin/query/r?ammem/hh:@FIELD(DOCID+@BAND(@lit(MI0086))) . Work of the US Government, in public domain.
Converted from .TIF to .PNG, slightly cropped by uploader User:Lar and reduced to 1/2 original size.
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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright. Note: This only applies to works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. |
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 21:07, 14 April 2006 | 2,225×3,313 (169 KB) | Ian13 (Talk | contribs) | (Lowering resolution - and attempting fix) |
| 19:42, 14 April 2006 | 4,450×6,625 (464 KB) | Ian13 (Talk | contribs) | (Same as before - but the last version wasn't really a PNG - it was stored in TIF formatt still.) | |
| 22:14, 13 April 2006 | 4,450×6,625 (486 KB) | Lar (Talk | contribs) | (From the Library of Congress HAER collection, diagram delineated by Eric M Hansen, 1978, as part of the HISTORIC AMERICAN ENGINEERING RECORD, HERITAGE CONSERVATION & RECREATION SERVICE, Image shows schematic unit operations process for extracting ) |
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