File:Locks and Dam No 41 navigation chart from 1934.jpg
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Summary
| Description | |
| Date | |
| Source | The Ohio River, Fifth Edition (1935), p.208 |
| Author | War Department, Office of the Chief of Engineers |
Diagram of Locks and Dam No. 41 (renamed McAlpine Locks and Dam in 1960), Portland Canal and Falls of the Ohio
The dam then had a navigable pass and long sections of movable dam (Boule weir) which were replaced with fixed weir when the 1964 dam was built
Ohio River at Louisville, Kentucky
Licensing
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:35, 5 May 2017 | | 1,269 × 2,037 (442 KB) | William Alden | User created page with UploadWizard |
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