Original file (4,327 × 890 pixels, file size: 783 KB, MIME type: image/jpeg)
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This is an image of a place or building that is listed on the
National Register of Historic Places in the
United States of America. Its reference number is
78002751. |
Summary
| Description |
From a pamphlet about the Lake Washington Ship Canal Fish Ladder at the Hiram M. Chittenden Locks, Seattle, Washington. Diagram of the fish ladder in profile. The actual fish ladder makes several right angle turns, which are not reflected in this diagram. Caption from the pamphlet: This shows the the height of each weir. Most weirs are one foot higher than the previous one. The last three weirs are adjustable to the level of Salmon Bay. Salt water is mixed with fresh water by the diffuser well in weirs indicated by dark blue [dark gray in scan]. The longest weir in the ladder was created when the fish viewing window was built for your viewing pleasure. Scanned at 600 dpi (grayscale) and cleaned up. |
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| Date | Presumably 1996, based on pamphlet number | |||||
| Source | Page 6 of U.S. Government Printing Office Pamphlet 1996-792-501: Lake Washington Ship Canal Fish Ladder | |||||
| Author | US government | |||||
| Permission ( Reusing this file) |
Original work of the US Federal Government is public domain | |||||
| Other versions |
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| Object location |
 | View this and other nearby images on: OpenStreetMap |
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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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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:07, 21 September 2007 |
| 4,327 × 890 (783 KB) | Jmabel | == Summary == {{Information |Description=From a pamphlet about the Lake Washington Ship Canal Fish Ladder at the Hiram M. Chittenden Locks, Seattle, Washington. Diagram of the fish ladder in profile. The actual fish ladder makes several right angle turns, |
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