For more information about them, see Indian, American . Indian reservations differ greatly in size and population. The Navajo reservation, the largest U.S. Indian reservation, is about the size of West Virginia. This reservation also has a larger population than any other U.S. reservation. About 91,000 Navajo live there.
Indian reservations consist of a wide variety of land.
Some spread across desert and mountain areas of the Southwest, and others occupy forest and lake regions of the Midwest and Northwest. Still others cover the great plains between Oklahoma and Montana. Farming ranks as the chief economic activity on most Indian reservations. Manufacturing provides a small but growing source of employment and income. Leading industries on Indian lands include jewelry making and wood processing.