File:Green Springs iron ore seam sign.jpg
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Green_Springs_iron_ore_seam_sign.jpg (800 × 470 pixels, file size: 129 KB, MIME type: image/jpeg)
Photograph of the exposed road cut for Green Springs Highway at Walker's Gap showing the Iron Ore Seam signs donated by Erskine Ramsay in 1949.
From Thomas A. Simpson (1965) "Geologic And Hydrologic Studies In The Birmingham Red-iron-ore District, Alabama" Geological Survey Professional Paper 473-C. Washington D.C.: Government Printing Office, p. C4
| This work is in the public domain | |
| This work was created by the United States Government and is in the public domain. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:20, 15 March 2020 | | 800 × 470 (129 KB) | Dystopos (talk | contribs) | |
| 14:32, 22 May 2019 |  | 829 × 467 (223 KB) | Dystopos (talk | contribs) | Photograph of the exposed road cut for Green Springs Highway at Walker's Gap showing the Iron Ore Seam signs donated by Erskine Ramsay in 1949. From Thomas A. Simpson (1965) "[http://pubs.usgs.gov/pp/0473c/report.pdf Geologic And H... |
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