Reconnaissance geologic map of the Nabesna A-4 quadrangle, Alaska /

Bibliographic Details
Main Author:	Richter, Donald H.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : Dept. of the Interior, U.S. Geological Survey, 1973.
Series:	Miscellaneous geologic investigations ; map I-789.
Subjects:	Geology > Alaska > Maps. Mines and mineral resources > Alaska > Maps.

Description
Item Description:	Contour interval 100 feet. "Base from U.S. Geological Survey, 1972." "Geology mapped ... 1968-71." Includes cross section, index map, tables of fossil collections and prospects and mineral occurences. Cartographic material.
Physical Description:	1 map : color ; 41 x 44 cm., on sheet 94 x 64 cm., folded in envelope 30 x 24 cm.