TY  - RPRT
TI  - Map of land modified by man in the Oakdale 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
AU  - J. S. Pomeroy
PY  - 1974
DO  - 10.3133/ofr74233
UR  - https://pubs.usgs.gov/publication/ofr74233
ID  - ofr74233
ER  -