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Summary
| Description |
English: This is a small-resolution version for display in articles. (See high res and medium res versions below.) Map shows the course of the Columbia Slough, tributary of the Willamette River, Oregon, through North Portland, Gresham, and Fairview. Tributary creeks, major street intersections, neighborhoods, parks, natural areas, and other landmarks are indicated. The route has been artificially straightened. Each of the panels is oriented differently so that the image fits on a horizontal line. |
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| Source |
Aerial photographs from the US Geological Survey. I annotated the map myself using various sources and my original contributions are hereby released into the public domain. Additional note added by User:Finetooth: The aerial photographs in question can be accessed through the USGS Urban Areas page here and viewed with NASA's Worldwind software available here. Details added to the base map appear on a combination of other maps: (1) "City Street Map: Portland, Gresham" (2007), G.M. Johnson and Associates, ISBN 9781897152942; (2) a map included in "A Paddler's Access Guide: Columbia Slough" (2002), Portland Bureau of Environmental Services, City of Portland here; (3) a set of maps included in Wild in the City (2000), Houck, Mike, and Cody, M.J., eds., Portland, Oregon: Oregon Historical Society Press. ISBN 0-87595-273-9. Finetooth (talk) 21:05, 16 January 2009 (UTC). |
| Author | USGS and Northwesterner1 |
| Permission (Reusing this file) |
public domain |
| Other versions | Image:Columbia River Slough (large).png (for printing), Image:Columbia River Slough (medium).png (for online reference) |
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Licensing
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:00, 28 May 2008 | | 2,028 × 150 (109 KB) | Northwest-historian | {{Information |Description={{en|1=This is a small-resolution version for display in articles. (See high res and medium res versions below.) Map shows the course of the Columbia River Slough, tributary of the Willamette River, Oregon, through North Portlan |
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