Bedrock geologic map of the Gloucester and Rockport quadrangles, 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 ; 1992.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; I-2285.
Subjects:	Petrology > Massachusetts > Essex County > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Depths shown by isolines and soundings. Includes text, bibliography, 2 diagrams, index map, location map, and 1 col. cross section. Cartographic material.
Physical Description:	1 map : color ; 62 x 80 cm., on sheet 91 x 130 cm., folded in envelope 30 x 24 cm.