Ross, Clyde P. 1891-

The Lower Gila Region, Arizona. A geographic, geologic, and hydrologic reconnaissance with a guide to desert watering places, by Clyde P. Ross. - Washington, Govt. print. off., 1923. - xiv, 237 p. illus., pl. (part fold., incl. maps, diagrs.) tables. 23 cm. - United States Geological survey. Water-supply paper, 498 .

At head of title: Department of the interior. Three maps folded in pocket.

Bibliographical references.

gs 24000001


Geology--Arizona.
Physical geography--Arizona.
Water-supply--Arizona.

GB1025.A6 / R6