@misc{indiciaee2bd139b9566, title = {Landslide susceptibility map of part of the Curtisville 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania}, author = {W.E. Davies}, year = {1974}, doi = {10.3133/ofr74276}, url = {https://pubs.usgs.gov/publication/ofr74276}, note = {Source identifier: ofr74276} }