TY  - RPRT
TI  - Aeromagnetic map of part of Cecil County, Maryland, and parts of adjacent counties in Maryland and Delaware
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1971
DO  - 10.3133/gp755
UR  - https://pubs.usgs.gov/publication/gp755
ID  - gp755
ER  -