File:99c041 supplement 1932 chart of Lock 41 and vicinity (6757383883).jpg
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Summary
[edit]Description99c041 supplement 1932 chart of Lock 41 and vicinity (6757383883).jpg |
Detail of Ohio River chart 168 showing lower end of Portland Canal, Lock 41 (renamed for senior engineer William McAlpine in 1960) and parts of Shippingport and Sand Islands. The 360-foot auxiliary lock (rebuilt in 1930 from the lower chamber of the 1872 Scowden locks) can be seen next to the 600-foot main lock (opened in 1921). . Ohio River mile 607. Louisville, Kentucky. chart revised in 1932. |
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Date | |||||
Source | 99c041 supplement: 1932 chart of Lock 41 and vicinity | ||||
Author | William Alden from Louisville, Kentucky, USA | ||||
Permission (Reusing this file) |
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Camera location | 38° 16′ 39.93″ N, 85° 47′ 28.19″ W | View this and other nearby images on: OpenStreetMap | 38.277758; -85.791163 |
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Licensing
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This image was originally posted to Flickr by Bill Alden at https://flickr.com/photos/70020260@N04/6757383883. It was reviewed on 14 April 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
14 April 2021
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current | 04:49, 14 April 2021 | 1,615 × 906 (524 KB) | Geo Swan (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Author | Corps of Engineers |
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Copyright holder | none - public document |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Y and C positioning | Co-sited |
Pair of black and white reference values |
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Exif version | 2 |
Meaning of each component |
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Supported Flashpix version | 1 |
Color space | sRGB |