TY - RPRT TI - Distribution and abundance of zinc in the nonmagnetic fraction of heavy-mineral concentrates from stream sediments, Survey Pass 1° x 3° quadrangle, Alaska AU - John B. Cathrall AU - T. M. Billings AU - Elmo F. Cooley PY - 1979 DO - 10.3133/ofr79837i UR - https://pubs.usgs.gov/publication/ofr79837I ID - ofr79837I ER -