REVISION HISTORY FILE Title: Description and validation of an automated methodology for mapping mineralogy, vegetation, and hydrothermal alteration type from ASTER satellite imagery with examples from the San Juan Mountains, Colorado By Barnaby W. Rockwell U.S. Geological Survey Scientific Investigations Map 3190 ********************************************************** First published online only January 25, 2012 ********************************************************** Revision posted February 2013 The author provided the revised sheets, which were then processed for 508 compliance, and swapped out for the original map sheets. In this revision the following changes were made to all of the sheets: The word “map” in the upper-right corner by “Pamphlet accompanies map” is now all in lower case. ASTER Scene ID SC:AST_L1B.003:2011894123, acquired September 12, 2000 at http://aglovis.usgs.gov/ was changed to: with the “a” removed from the URL for glovis, and some rewording. ASTER Scene ID SC:AST_L1B.003:2011894123, acquired September 12, 2000. Data available from http://glovis.usgs.gov/. Sheet 1. In the credit notes in the lower left, "World Geodetic System 1894 (WGS 84)” was changed to "World Geodetic System 1984 (WGS 84)” Sheet 4. The first letters of the "argillic (or clay-bearing rocks)" and "propylitic (or carbonate rocks)" classes are lower case in the explanation, and have had the first letter capitalized. The pamphlet and other files were unchanged. ************************************************************