Bedrock geologic map of the Ipswich quadrangle, Essex County, Massachusetts /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Massachusetts. Department of Public Works
Other Authors:	Dennen, William H.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1991.
Series:	Geologic quadrangle map ; GQ-1698.
Subjects:	Geology > Massachusetts > Essex County > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Depths shown by isolines and soundings. "Geology mapped in 1968-69, 1971." Includes text, bibliography, quadrangle location map, and col. cross section. Cartographic material.
Physical Description:	1 map : color ; 58 x 43 cm., on sheet 86 x 101 cm., folded in envelope 30 x 24 cm.