TY - RPRT TI - Map showing the distribution of thorium in stream-sediment samples, Richfield 1° x 2° quadrangle, Utah AU - William R. Miller AU - Jerry M. Motooka AU - John B. McHugh PY - 1990 DO - 10.3133/mf2138h UR - https://pubs.usgs.gov/publication/mf2138H ID - mf2138H ER -