TY - RPRT TI - Pb-isotope data base for sulfides from Alaska, March, 1987 AU - S. E. Church AU - M.H. Delevaux AU - J. E. Gray PY - 1987 DO - 10.3133/ofr87259 UR - https://pubs.usgs.gov/publication/ofr87259 ID - ofr87259 ER -