File:LOC MI0086 QuincyMine TIF 00027a.png
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DescriptionLOC MI0086 QuincyMine TIF 00027a.png |
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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
editThis 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.
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Public domainPublic domainfalsefalse |
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
editTransferred from en.wikipedia to Commons by FastilyClone using MTC!.
Date/Time | Dimensions | User | Comment |
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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 |
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current | 05:34, 21 October 2016 | 9,632 × 14,456 (1.42 MB) | FastilyClone (talk | contribs) | Transferred from en.wikipedia (MTC!) |
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File change date and time | 21:28, 13 April 2006 |
Horizontal resolution | 157.48 dpc |
Vertical resolution | 157.48 dpc |