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Original file (9,632 × 14,456 pixels, file size: 1.42 MB, MIME type: image/png)
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Summary
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| Description | |
| Source | From the w:Library of Congress w: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 w:Copper w:Ore from poor rock, and is Drawing #27 from the w: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. |
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Licensing
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This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. |
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |  |
Original upload log
Transferred from en.wikipedia to Commons by FastilyClone using MTC!.
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 2006-04-13 21:50:13 | 9632× 14456× | Lar | 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 |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:34, 21 October 2016 | | 9,632 × 14,456 (1.42 MB) | FastilyClone | Transferred from en.wikipedia (MTC!) |
File usage
No pages on the English Wikipedia use this file (pages on other projects are not listed).
