Water Information Management / Geographical Information System / Computer Network
This section maintains the computer network, GIS applications, library, and GIS hydrologic- climatic databases
-ArcGIS 9.3
-Global Position Systems
-Wells database and climate databases
-450 documented covers and over 1,000
-Undocumented covers
-1,700 digital raster graphics (drgs)
-4,000 digital ortho-quarter quads (doqqs)
River Basins and Watersheds
The Navajo Nation lies within three major basins: the Upper Colorado River Basin, the Lower Colorado River Basin, and the Rio Grande Basin. These basins are formed by converging smaller river tributaries and their espective watersheds. The Upper Colorado River Basin includes the mainstem Colorado River and the San Juan Rivers. The Lower Colorado River Basin includes the Little Colorado and Zuni Rivers. The Rio Grande Basin includes the Rio San Jose.
