Lassen Volcanic National Park and vicinity, California 1957.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Map
Language:	English
Published:	Washington : Geological Survey, [1968]
Subjects:	Lassen Volcanic National Park (Calif.) > Maps, Physical. National parks and reserves > United States > Maps.

Description
Item Description:	"Minor corrections made 1968." Polyconic projection. 1927 North American datum. Contour intervals 40 and 80 feet. Marginal diagrams: Location.--Contour interval, declination. "This map complies with national map accuracy standards." Map.
Physical Description:	1 map : color ; 50 x 65 cm.