File:Diagram of Placer Claim 14.jpg
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| Description | Diagram of a shaft mine in permafrost. This type of shaft would be dug in a likely location to procpect, and extended with a drift at bedrock level if the gold was plentiful enough. The richest gravel was generally just above bedrock. |
| Date | |
| Source | https://archive.org/details/klondikechicagor00chic |
| Author | W. Sihmedtgen |
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:51, 21 December 2010 | | 1,721 × 2,998 (3.16 MB) | Das steinerne Herz (talk | contribs) |
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