Geologic map and sections of parts of the Portland and Belvidere quadrangles, New Jersey-Pennsylvania /

Bibliographic Details
Main Author:	Drake, Avery Ala, 1927-
Other Authors:	Epstein, Jack Burton, 1935-, Aaron, John M.
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1969.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-552.
Subjects:	Geology > New Jersey > Warren County > Maps. Geology > Pennsylvania > Northampton County > Maps.

Description
Item Description:	Relief shown by contours and spot heighs. Contour interval 20 ft. "Geology mapped in 1961-62." Includes 5 col. cross sectons, magnetic declination diagram, and location map. Cartographic material.
Physical Description:	1 map : color ; 115 x 44 cm., on sheet 129 x 81 cm., folded in envelope 30 x 24 cm.