File:Frank C. Calkins (1901).jpg
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Summary
| Description |
English: Frank C. Calkins, U.S. Geological Survey |
| Date | (published online 2003) |
| Source | The USGS in the Early 1900s – Reminiscences of D. Foster Hewett, Adolph Knoph, and Frank C. Calkins. U.S. Geological Survey: Open-File Report 97-267 |
| Author | U.S. Geological Survey |
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 | 21:09, 9 June 2024 | | 683 × 1,024 (69 KB) | BhamBoi | Uploaded a work by U.S. Geological Survey from [https://pubs.usgs.gov/of/1997/0267/ The USGS in the Early 1900s – Reminiscences of D. Foster Hewett, Adolph Knoph, and Frank C. Calkins]. U.S. Geological Survey: Open-File Report 97-267 with UploadWizard |
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