| Hudson |
|---|
B1038 Geology and mineral resources of the Hudson and Maynard
quadrangles, Massachusetts. 1956.
GP704 Aeromagnetic map of the Hudson Quadrangle, Worcester and Middlesex
Counties, Massachusetts. 1970 1:24,000.
HA276 Water resources of the Nashua and Souhegan River basins, Massachusetts.
1977 1:48,000.
HA312 Water resources of the Assabet River basin, central Massachusetts.
1969 1:48,000.
HA662 Hydrology and water resources of tributary basins to the Merrimack
River from Salmon Brook to the Concord
River, Massachusetts. 1985 1:48,000.