TY  - RPRT
TI  - Aeromagnetic map of parts of the Pittsburgh and Cumberland 1° by 2° quadrangles, Pennsylvania
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1974
DO  - 10.3133/ofr7414
UR  - https://pubs.usgs.gov/publication/ofr7414
ID  - ofr7414
ER  -