TY  - RPRT
TI  - Landsliding in Allegheny County, Pennsylvania
AU  - Reginald Peter Briggs
AU  - John S. Pomeroy
AU  - William E. Davies
PY  - 1975
DO  - 10.3133/cir728
UR  - https://pubs.usgs.gov/publication/cir728
ID  - cir728
ER  -