Metallic mineral resources map of the Ketchikan quadrangle, Alaska /

Bibliographic Details
Main Author:	Cobb, Edward H. (Edward Huntington), 1916-1983
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	[Reston, Va.] : The Survey, 1972.
Series:	Miscellaneous field studies ; map MF-420.
Subjects:	Mines and mineral resources > Alaska > Ketchikan Region > Maps. Ore deposits > Alaska > Ketchikan Region > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Depths shown by isolines and soundings. Includes key to mineral deposits, index to deposits, description of map units, and quadrangle index map. "Base by U.S. Geological Survey, 1955." "U.S. Government Printing Office: 1975-0-690-036/59." Cartographic material.
Physical Description:	1 map ; 47 x 54 cm., on sheet 78 x 96 cm., folded in envelope 34 x 23 cm.
Bibliography:	Includes bibliographical references.