TY - RPRT TI - Landslide susceptibility and land modified by man map of part of the Baden 7-1/2 minute Quadrangle, Allegheny County, and vicinity, Pennsylvania AU - John S. Pomeroy PY - 1974 DO - 10.3133/ofr74121 UR - https://pubs.usgs.gov/publication/ofr74121 ID - ofr74121 ER -