@misc{indiciae8af9746b88f8, title = {Geology and biostratigraphy of the Potomac River cliffs at Stratford Hall, Westmoreland County, Virginia}, author = {Robert E. Weems and Lucy E. Edwards and Bryan D. Landacre}, year = {2017}, doi = {10.1130/2017.0047(05)}, url = {https://pubs.usgs.gov/publication/70193100}, note = {Source identifier: 70193100} }