TY - RPRT TI - Mineralogical and geochemical maps showing the distribution of selected minerals and elements found in the minus-80-mesh stream-sediment and related minus-30-mesh heavy-mineral-concentrate samples from the Circle quadrangle, Alaska AU - Richard B. Tripp AU - William D. Crim AU - James D. Hoffman AU - Richard M. O’Leary AU - Donald A. Risoli PY - 1986 DO - 10.3133/ofr83170f UR - https://pubs.usgs.gov/publication/ofr83170F ID - ofr83170F ER -