TY - RPRT TI - Illustrations of plant microfossils from the Morrison Formation; IV, Plant microfossils from the Salt Wash Member AU - R.H. Tschudy AU - B.D. Tschudy AU - S. D. Van Loenen PY - 1988 DO - 10.3133/ofr88235 UR - https://pubs.usgs.gov/publication/ofr88235 ID - ofr88235 ER -