TY  - RPRT
TI  - Relationship of landslides to fractures in Potomac Group deposits, Fairfax County, Virginia
AU  - William H. Langer
AU  - Stephen F. Obermeier
PY  - 1978
DO  - 10.3133/ofr78779
UR  - https://pubs.usgs.gov/publication/ofr78779
ID  - ofr78779
ER  -