TY - RPRT TI - Preliminary digital classification map of limonitic rocks, Frisco Peak 15' quadrangle, Utah AU - M. H. Podwysocki AU - Donald B. Segal PY - 1980 DO - 10.3133/ofr80804 UR - https://pubs.usgs.gov/publication/ofr80804 ID - ofr80804 ER -