TY - RPRT TI - Preliminary digital classification map of limonitic rocks, Headlight Mountain Quadrangle, Utah AU - M. H. Podwysocki AU - Donald B. Segal PY - 1980 DO - 10.3133/ofr8021 UR - https://pubs.usgs.gov/publication/ofr8021 ID - ofr8021 ER -