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Summary

Description
English: Pleistocene epoch map showing the extent of the Lake Bonneville Flood and Pleistocene lakes in northwestern United States around 14.5000 radiocarbon years (~17,500 calendar years) before present.
 
Ice Sheet
 
Pleistocene Lake
 
Present day Lake
 
Direction of flood
Date
Source

Own work.

  • Based on this map by Laura DeGrey, Myles Miller and Paul Link of Idaho State University, Dept. of Geosciences.
  • Inset North America map from File:America-blank-map-01.svg
  • Lakes in Western Great Basin sourced from USGS, Extent of Pleistocene Lakes in the Western Great Basin by Marith Reheis, 1999.
  • Further sourced from SERC, Carleton College, Reheis and Bright, 2009.
  • Coastline based on The Pacific Northwest Coast: Living With the Shores of Washington and Oregon, Paul D. Komar and USGS map.
 
W3C-validity not checked.
Author Fallschirmjäger

Licensing

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10 March 2013

File history

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Date/TimeThumbnailDimensionsUserComment
current22:29, 11 September 2014Thumbnail for version as of 22:29, 11 September 2014663 × 570 (352 KB)LiandreiFixed alignment
22:27, 11 September 2014Thumbnail for version as of 22:27, 11 September 2014663 × 570 (352 KB)LiandreiRemoved ambiguous arrows from Lake Missoula and those pointing from the Sacramento River to Lake Lahontan per POTD/2014-09-15 discussion.
11:12, 21 April 2013Thumbnail for version as of 11:12, 21 April 2013663 × 570 (352 KB)LiandreiFixed Mexico
11:04, 21 April 2013Thumbnail for version as of 11:04, 21 April 2013666 × 570 (320 KB)LiandreiWidened and moved boxes to left
22:52, 20 March 2013Thumbnail for version as of 22:52, 20 March 2013650 × 570 (395 KB)Liandreitiny tweak
01:27, 20 March 2013Thumbnail for version as of 01:27, 20 March 2013650 × 570 (395 KB)Liandreitweaks
01:21, 13 March 2013Thumbnail for version as of 01:21, 13 March 2013650 × 570 (521 KB)Liandreiforgot to remove error from inkscape again...
01:19, 13 March 2013Thumbnail for version as of 01:19, 13 March 2013650 × 570 (521 KB)Liandreitweakage
01:09, 13 March 2013Thumbnail for version as of 01:09, 13 March 2013650 × 570 (521 KB)LiandreiAdded coastline & made valid svg
05:01, 12 March 2013Thumbnail for version as of 05:01, 12 March 2013650 × 570 (396 KB)OrionistFixed errors to validate SVG, removed white rectangles and cropped extraneous parts of the maps, reduced file size, and did some other cosmetic changes.
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