TY - RPRT TI - Aeromagnetic map of parts of the Cleveland and Erie 1° by 2° quadrangles, Pennsylvania AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1974 DO - 10.3133/ofr7412 UR - https://pubs.usgs.gov/publication/ofr7412 ID - ofr7412 ER -