TY - RPRT TI - Aeromagnetic map of part of Kent 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/gp756 UR - https://pubs.usgs.gov/publication/gp756 ID - gp756 ER -