@article{120904, recid = {120904}, author = {Pomeroy, John S.,}, title = {Mass movement in two selected areas of western Washington County, Pennsylvania /}, publisher = {U.S. Govt. Print. Off. ;}, address = {Washington :}, pages = {v, 17 p. :}, year = {1982}, url = {http://library.usi.edu/record/120904}, }