TY - RPRT TI - Arsenopyrite in the bank deposits of the Whitewood Creek-Belle Fourche-Cheyenne River-Lake Oahe system, South Dakota, U.S.A. AU - A. J. Horowitz AU - K. A. Elrick AU - R.B. Cook PY - 1990 DO - 10.1016/0048-9697(90)90242-m UR - https://pubs.usgs.gov/publication/70015828 ID - 70015828 ER -