| Gloucester |
|---|
B704 Geology of the igneous rocks of Essex County, Massachusetts.
1920.
GP724 Aeromagnetic map of parts of the Gloucester and Rockport Quadrangles,
Essex County, 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.
I2285 Bedrock geologic map of the Gloucester and Rockport Quadrangles,
Essex County, Massachusetts. 1992 1:24,000.