LOC MI0086 QuincyMine TIF 00027aS.png
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Summary
Licensing
Public domain Public domain false false
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
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Date/Time
Dimensions
User
Comment
2006-04-14 21:07:01
2225× 3313×
Ian13
Lowering resolution - and attempting fix
2006-04-14 19:42:06
4450× 6625×
Ian13
Same as before - but the last version wasn't really a PNG - it was stored in TIF formatt still.
2006-04-13 22:14:58
4450× 6625×
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
British English Add a one-line explanation of what this file represents
File history
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Date/Time Thumbnail Dimensions User Comment
current 17:22, 22 October 2016 2,225 × 3,313 (169 KB) wikimediacommons>OgreBot (BOT): Reverting to most recent version before archival
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