TY - RPRT TI - Map showing depth to bedrock in the Seattle 30' by 60' Quadrangle, Washington AU - J. C. Yount AU - G.R. Dembroff AU - G.M. Barats PY - 1985 DO - 10.3133/mf1692 UR - https://pubs.usgs.gov/publication/mf1692 ID - mf1692 ER -