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.