TY - RPRT TI - Distribution of potential hydrothermally altered rocks in central Colorado derived from Landsat Thematic Mapper data: A geographic information system data set AU - Daniel H. Knepper PY - 2010 DO - 10.3133/ofr20101076 UR - https://pubs.usgs.gov/publication/ofr20101076 ID - ofr20101076 ER -