TY - RPRT TI - DISCRIMINATION OF ALTERED BASALTIC ROCKS IN THE SOUTHWESTERN UNITED STATES BY ANALYSIS OF LANDSAT THEMATIC MAPPER DATA. AU - Philip A. Davis AU - Graydon L. Berlin AU - Pat S. Chavez PY - 1987 UR - https://pubs.usgs.gov/publication/70015220 ID - 70015220 ER -