Preliminary geologic map of the Grand Canyon and vicinity, Arizona : western and central sections /

Bibliographic Details
Main Author:	Maxson, John H. (John Haviland), 1906-1966
Corporate Author:	Grand Canyon Natural History Association
Format:	Map
Language:	English
Published:	Grand Canyon : Grand Canyon Natural History Association, [1969]
Subjects:	Geology > Arizona > Grand Canyon National Park > Maps. Grand Canyon National Park (Ariz.) > Maps.

Description
Item Description:	Relief shown by contours and spot heights Contour interval 40 and 80 feet Includes bibliography and index map Cartographic material.
Physical Description:	color map ; on sheet 99 x 139 cm