Geologic map of the Massachusetts portion of the Northfield quadrangle, Massachusetts, New Hampshire, and Vermont [map] : bedrock geology / Department of the Interior, United States Geological Survey ; by Robert Balk ; prepared in cooperation with the Commonwealth of Massachusetts, Department of Public Works

Author:: Balk, Robert, 1899-1955
Additional Titles:: Envelope title, Bedrock geology of the Massachusetts portion of the Northfield quadrangle, Massachusetts, New Hampshire and Vermont and Northfield quadrangle, Massachusetts, New Hampshire, and Vermont, bedrock geologic map
Published:: Reston, Va. : The Survey, 1956.
Physical Description:: 1 map : color ; 44 x 32 cm, on sheet 76 x 123 cm, folded in envelope 30 x 24 cm.
Additional Creators:: Balk, Robert, 1899-1955 and Geological Survey (U.S.)