File:US Conterminous 48 Physiographic Divisions v1.svg

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Description	English: The major physiographic divisions of the 48 conterminous United States. This map is based on public domain data from the USGS [1] Originator: Fenneman, N.M., and Johnson, D.W. Publication_Date: 1946 Title: Physiographic divisions of the conterminous U. S. Geospatial_Data_Presentation_Form: map Publication_Place: Washington, DC Publisher: USGS The data is presented in an Lambert equal area projection described in "proj" format as: "+proj=leac +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-100 +x_0=0 +y_0=0 +ellps=clrk66 +datum=NAD83 +units=m +no_defs"
Date	9 August 2009
Source	Own work
Author	Kbh3rd

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:13, 9 August 2009		820 × 570 (2.12 MB)	Kbh3rd (talk \| contribs)	{{Information \|Description={{en\|1=The major physiographic divisions of the 48 conterminous United States. This map is based on public domain data from the USGS[http://water.usgs.gov/GI

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