File:Black Eagle Dam - cross-section of construction plans for 1892 structure.jpg
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Summary
| Description |
English: Cross-sectional diagram for the Black Eagle Dam on the Missouri River in Great Falls, Montana, United States. J.T. Fanning was the consulting engineer. Maurice S. Parker was the engineer. The dam was a straight run-of-the-river gravity rock-and-timber crib weir dam which permitted water to overflow the top of the dam. The drawing depicts the rock-and-timber crib structure of the dam, in which wooden timbers formed "cribs" in which rock, gravel, and concrete were poured. The dam's downstream face is to the left. The diagram also depicts (for comparison) the masonry wall which was built at the north and south abutment of the dam. |
| Date | |
| Source | https://books.google.com/books?id=80xDAAAAYAAJ&dq=Parker%20%22Black%20Eagle%20Falls%20Dam%22&pg=PA61#v=onepage&q=Parker%20%22Black%20Eagle%20Falls%20Dam%22&f=false Parker, Maurice S. "Black Eagle Falls Dam, Great Falls, Montana." Transactions of the American Society of Civil Engineers. July 1892. |
| Author | J.T. Fanning and Maurice S. Parker |
Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
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| Date/Time | Dimensions | User | Comment | |
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| current | 19:21, 10 April 2011 | 971 × 560 (127 KB) | Tim1965 | {{Information |Description ={{en|1=Cross-sectional diagram for the Black Eagle Dam on the Missouri River in Great Falls, Montana, United States. J.T. Fanning was the consulting engineer. Maurice S. Parker was the engineer. The dam was a straight run-o |
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