TY - RPRT TI - Geochemical map of the Spanish Peaks Wilderness Study Area, Huerfano and Las Animas counties, Colorado AU - K. E. Budding AU - Viki A. Lawrence PY - 1983 DO - 10.3133/mf1542b UR - https://pubs.usgs.gov/publication/mf1542B ID - mf1542B ER -