Inquiries regarding RevPG may be directed to:
U. S. Geological Survey
Mid Continent Mapping Center
Att: RevPG System Manager, MS 821
1400 Independence Rd.
Rolla, MO 65401 USA
Fax: (573) 308-3652
Although these programs have been used by the U.S. Geological Survey (USGS), no warranty, expressed or implied, is made by the USGS as to the accuracy and functioning of the programs and related program material, nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the USGS in connection herewith.
The use of trade names does not imply an endorsement by the U.S. Government.