TY - RPRT TI - Distribution and abundance of lead in minus-80-mesh stream-sediment and nonmagnetic heavy-mineral-concentrate samples, Chignik and Sutwik Island quadrangles, Alaska AU - D.E. Detra AU - R. T. Hopkins PY - 1980 DO - 10.3133/mf1053d UR - https://pubs.usgs.gov/publication/mf1053D ID - mf1053D ER -