File:Dredging operations in Potomac River - 1930.jpg
Original file (3,656 × 2,267 pixels, file size: 6.17 MB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionDredging operations in Potomac River - 1930.jpg |
English: Dredging operations in the Potomac River in Washington, D.C., in the United States in 1930. The double-bridge in the center is the Highway Bridge (later replaced, and today known as the 14th Street Bridges). Boot-shaped Columbia Island, Arlington Memorial Bridge, Theodore Roosevelt Island, and Francis Scott Key Bridge are visible upstream (to the left and top of the image).
Note the pontoons between Columbia Island the north span of Highway Bridge, middle left. They indicate the area to be filled with dredged material from the Potomac River to create what will eventually be called the Pentagon Lagoon, and to narrow the outlet from Boundary Channel to the Potomac River. This will also allow the Mount Vernon Memorial Parkway (later named the George Washington Memorial Parkway) to be built along the axis of Columbia Island, cross the outlet channel, and proceed south below the soon-to-be-replaced Highway Bridge. Note the parallel pontoons in the lagoon south of Highway Bridge. They indicate where dredged material from the Potomac River will be placed to allow the parkway to continue south. The lagoon is the wide mouth of Roaches Run, a creek in Virginia. A large dredge can be seen tied up at the pier near the spit of land extending into the Potomac River. Several barges (to hold the material dredged up) are also nearby. |
Date | |
Source | https://www.loc.gov/pictures/item/va1677.photos.368605p/ |
Author | Historic American Engineering Record, Library of Congress |
Other versions | File:Washington-Hoover Airport - 1930 - with Gravelley Point.jpg |
Licensing
[edit]Public domainPublic domainfalsefalse |
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.
|
||
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 15:40, 24 May 2013 | 3,656 × 2,267 (6.17 MB) | Tim1965 (talk | contribs) | {{Information |Description ={{en|1=Dredging operations in the Potomac River in Washington, D.C., in the United States in 1930. The double-bridge in the center is the Highway Bridge (later replaced, and today known as the 14th Street Bridges). Boot-... |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on en.wikipedia.org
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Author | Library of Congress |
---|---|
Width | 3,656 px |
Height | 2,267 px |
Compression scheme | Uncompressed |
Pixel composition | Black and white (Black is 0) |
Image data location | 25,426 |
Number of components | 1 |
Number of rows per strip | 2,267 |
Bytes per compressed strip | 8,288,152 |
Horizontal resolution | 1,000 dpi |
Vertical resolution | 1,000 dpi |
Software used | Paint.NET v3.5.10 |
File change date and time | 11:22, 24 May 2013 |