TY - RPRT TI - Map showing lead determined by atomic absorption in stream sediments, Ketchikan and Prince Rupert quadrangles, Alaska AU - Richard D. Koch AU - Raymond L. Elliott AU - M. J. Diggles PY - 1978 DO - 10.3133/ofr7873d UR - https://pubs.usgs.gov/publication/ofr7873D ID - ofr7873D ER -