This software has been approved for release by the U.S. Geological Survey
(USGS). Although the software has been subjected to rigorous review, the USGS
reserves the right to update the software as needed pursuant to further analysis
and review. No warranty, expressed or implied, is made by the USGS or the U.S.
Government as to the functionality of the software and related material nor
shall the fact of release constitute any such warranty. Furthermore, the
software is released on condition that neither the USGS nor the U.S. Government
shall be held liable for any damages resulting from its authorized or
unauthorized use.