TY - RPRT TI - Improved Automated Identification and Mapping of Iron Sulfate Minerals, Other Mineral Groups, and Vegetation using Landsat 8 Operational Land Imager Data, San Juan Mountains, Colorado, and Four Corners Region AU - Barnaby W. Rockwell AU - William R. Gnesda AU - Albert H. Hofstra PY - 2021 DO - 10.3133/sim3466 UR - https://pubs.usgs.gov/publication/sim3466 ID - sim3466 ER -