TY - RPRT TI - Landslide susceptibility map of part of the Valencia 7-1/2' Quadrangle, Allegheny County and vicinity, Pennsylvania AU - John S. Pomeroy PY - 1974 DO - 10.3133/ofr74116 UR - https://pubs.usgs.gov/publication/ofr74116 ID - ofr74116 ER -