File:McAlpine Locks and Dam navigation chart (detail) from 2010.jpg
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Summary
| Description | |
| Date | |
| Source | Ohio River navigation chart no. 85 (detail) |
| Author | U.S. Army Corps of Engineers - Louisville District |
Falls of the Ohio, Portland Canal and McAlpine Locks and Dam with upper and lower gates labelled
The dam is mostly fixed weir now, but there are five Tainter gates at the upper gated structure, and the bear traps (a type of movable dam) of the earlier dam have been replaced by four Tainter gates at the lower gated structure.
There are now two 1200-foot locks at McAlpine, the newest one having opened in 2009.
Ohio River miles 604-608
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.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:35, 5 May 2017 | | 1,637 × 812 (866 KB) | William Alden | User created page with UploadWizard |
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