TY - RPRT TI - Analyses of rock and stream-sediment samples from the Sumdum A-4 quadrangle, Alaska AU - Allen L. Clark AU - D. A. Brew AU - D.A. Grybeck AU - Raymond Wehr PY - 1970 DO - 10.3133/ofr7072 UR - https://pubs.usgs.gov/publication/ofr7072 ID - ofr7072 ER -