TY - RPRT TI - Compilation of rock-chip and stream-sediment geochemical data for the American Flats Wilderness Study Area, Ouray and Hinsdale counties, Colorado AU - Ken Hon PY - 1986 DO - 10.3133/ofr86426 UR - https://pubs.usgs.gov/publication/ofr86426 ID - ofr86426 ER -