File:Oil Shale Dam development Colony Shale Oil Project in Battlement Mesa, Colorado 02.png
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This is the backside of an image from the American Petroleum Institute.
Summary
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English: "Middle Ford dam development activity at the Colony Shale Oil Project site (Aug 1981). Ladder was installed to access various levels of eastern side of Middle Ford Canyon for grouting and other site preparation activities. |
| Date | circa August 1981 |
| Source | Smithsonian and National Museum of American History |
| Author | American Petroleum Institute |
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This work is in the public domain because it was published in the United States between 1978 and March 1, 1989 without a copyright notice, and its copyright was not subsequently registered with the U.S. Copyright Office within 5 years. Unless its author has been dead for several years, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (50 pma), Mainland China (50 pma, not Hong Kong or Macau), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See this page for further explanation.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 21:21, 6 January 2024 | | 1,915 × 1,642 (1.11 MB) | SDudley (talk | contribs) | Uploaded a work by American Petroleum Institute from [https://edan.si.edu/slideshow/viewer/?eadrefid=NMAH.AC.0711_ref2331 Smithsonian and National Museum of American History] with UploadWizard |
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