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This material is preliminary and has not been reviewed for conformity | |
with U.S. Geological Survey editorial standards. Any use of trade, firm, | |
or product names is for descriptive purposes only and does not imply | |
endorsement by the U.S. Government. | |
Although this program has been used by the U.S. Geological Survey, no | |
warranty, expressed or implied, is made by the USGS as to the accuracy | |
and functioning of the program and related program material, nor shall | |
the fact of distribution constitute any such warranty, and no | |
responsibility is assumed by the USGS in connection therewith. |