TY - RPRT TI - Geology and biostratigraphy of the Potomac River cliffs at Stratford Hall, Westmoreland County, Virginia AU - Robert E. Weems AU - Lucy E. Edwards AU - Bryan D. Landacre PY - 2017 DO - 10.1130/2017.0047(05) UR - https://pubs.usgs.gov/publication/70193100 ID - 70193100 ER -