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File:Steam points in use.jpg

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English: Steam points in use thawing gravel in an underground gold mine. Battery of points, North-West Stope, Union Mining Co, May 8, 1908.
Date copyright 1909 photo May 10, 1908
Source Through the Yukon and Alaska [1] Mining and Scientific Press, San Francisco, 1909 p217.
Author T.A. Rickard photographer unknown
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current20:21, 4 December 2010Thumbnail for version as of 20:21, 4 December 20102,256 × 1,642 (1.07 MB)Dankarl (talk | contribs){{Information |Description={{en|1=Steam points in use thawing gravel in an underground gold mine.}} |Source=''Through the Yukon and Alaska'' [http://www.archive.org/stream/throughyukonalas00rickiala#page/n8/mode/1up] Mining and Scientific Press, San Franc

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