B704 Geology of the igneous rocks of Essex County, Massachusetts.
1920.
GP710 Aeromagnetic map of part of the Marblehead South Quadrangle,
Essex and Suffolk Counties, Massachusetts.
1970 1:24,000.
HA589 Hydrology and water resources of the coastal drainage basins
of northeastern Massachusetts, from Castle Neck
River, Ipswich to Mystic River, Boston. 1980 1:48,000.
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