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Summary
| Description |
English: Harquahala Peak Observatory was built in 1920 by the Smithsonian Astrophysical Observatory to measure and record solar activity. Although deserted now, from 1920-1925 a hardy group of scientists lived and worked atop the highest mountain in southwestern Arizona (5,681 foot elevation) (https://www.blm.gov/visit/harquahala-peak-observatory) |
| Date | |
| Source | Own work |
| Author | Stephen M.Richard |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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This image was uploaded as part of Wiki Loves Monuments 2020.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:55, 26 October 2020 | | 4,187 × 2,731 (3.37 MB) | Bnjha503n | Uploaded own work with UploadWizard |
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