TY - RPRT TI - The Alaska Mineral Resource Assessment Program— Background information to accompany geologic and mineral-resource maps of the Valdez Quadrangle, south-central Alaska AU - Gary R. Winkler AU - R.J. Goldfarb AU - W.J. Pickthorn AU - George Plafker PY - 1992 DO - 10.3133/cir1087 UR - https://pubs.usgs.gov/publication/cir1087 ID - cir1087 ER -