TY  - RPRT
TI  - Ordovician stratigraphy, structure, and karst of the Falling Spring Valley, Alleghany County, Virginia, USA
AU  - John T. Haynes
AU  - Richard A. Lambert
AU  - Delbert C. Martin
AU  - Randall C. Orndorff
AU  - Mercer Parker
PY  - 2025
DO  - 10.1130/2025.0072(05)
UR  - https://pubs.usgs.gov/publication/70274725
ID  - 70274725
ER  -