File:1907SilverValleyIdaho geologicmap.png
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Summary
| Description | English: 1907 Silver Valley Idaho geologic map, where m is monzonite and syenite, Ap is Prichard Slate, Ab is Burke Formation, Ar is Revett Quartzite, Asr is St. Regis Formation, Aw is Wallace Formation, Asp is Striped Peak Formation, Tg are Tertiary terrace gravels, Qgl is Quaternary glacial deposits, Qal is Quaternary alluvium, x is a prospect pit and y is a tunnel |
| Date | |
| Source | The geology and ore deposits of the Coeur d'Alene district, Idaho, USGS Professional Paper 62, https://pubs.er.usgs.gov/publication/pp62 |
| Author | U.S. Dept. of the Interior, USGS, F. L. Ransome and Frank Cathcart Calkins |
Licensing
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:24, 21 November 2018 | | 1,820 × 897 (4.65 MB) | Pi3.124 | User created page with UploadWizard |
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