Gila
RIO, a river of North America, an affluent of the Colorado of the West, origin in New Mexico; length, 450 miles. Its upper course is through mountains, with many deep and precipitous cañons; further S. it flows through an open and comparatively level country, the valley being productive when irrigated. About 200 miles from the Colorado is the reservation of the Maricopa and Pima Indians. Ancient ruins are numerous on the banks of the Gila.
GILBERT