Image:Ogallala changes in feet 1980-1995.png

From Wikipedia, the free encyclopedia

• Image
• File history
• File links

Size of this preview: 350 × 600 pixels
Full resolution‎ (381 × 653 pixels, file size: 40 KB, MIME type: image/png)

Description: Map of the changes in the depth of the Ogallala aquifer in feet from 1980 to 1995.

NOTE: The legend and color scales need to be reworke on this image. Please do not use until it's been fixed. -- Kbh3rd 30 June 2005 17:17 (UTC)

Source: Created on May 20, 2005 by Kbh3rd using public domain data from the USGS:

This data set consists of digital water-level-change contours for the High Plains aquifer in the central United States, 1980 to 1995. The High Plains aquifer extends from south of 32 degrees to almost 44 degrees north latitude and from 96 degrees 30 minutes to 104 degrees west longitude. The aquifer underlies about 174,000 square miles in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming.

This digital data set was created from 5,892 wells measured in both 1980 and 1995. The water-level-change contours were drawn manually on mylar. The contours were converted to a digital map at a scale of 1:1,250,000. The data should not be used at scales larger than 1:1,250,000.[1]

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers.

File history

Click on a date/time to view the file as it appeared at that time.

• Search for duplicate files
• Edit this file using an external application

  See the setup instructions for more information.

File links