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USGS Software Disclaimer

The software and related documentation on these web pages were developed by the U.S. Geological Survey (USGS) for use by the USGS in fulfilling its mission. The software can be used, copied, modified, and distributed without any fee or cost. Use of appropriate credit is requested. The software is provided as a minimum in source code form as used on USGS computers. In many cases, the executable runfiles also are provided for these computers.

The USGS provides no warranty, expressed or implied, as to the correctness of the furnished software or the suitability for any purpose. The software has been tested, but as with any complex software, there could be undetected errors. Users who find errors are requested to report them to the USGS. The USGS has limited resources to assist non-USGS users; however, we make an attempt to fix reported problems and help whenever possible.

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Web page comments, contact: Richard Winston
U.S. Geological Survey
431 National Center
Reston, VA 20192

Last Iteration: August 28, 2006