TY - RPRT TI - Retrospective report on bottom-sediment studies; NAWQA surface water study, Yakima River Basin, Washington AU - T. L. Fries AU - J. L. Ryder PY - 1989 DO - 10.3133/ofr8845 UR - https://pubs.usgs.gov/publication/ofr8845 ID - ofr8845 ER -