U.S. Department of the Interior. The Department of the Interior manages public lands and minerals, national parks, and wildlife refuges and upholds Federal trust responsibilities to Indian tribes and Native Alaskans. Additionally, Interior is responsible for endangered species conservation and other environmental conservation efforts.
Acquired November 13, 2002, this false-color image shows part of the Ouachita Mountains in southeastern Oklahoma. Acquired November 13, 2002, this false-color image shows part of the Ouachita Mountains in southeastern Oklahoma.
In terms of zip code searches, the most popular cities in the state of Oklahoma are Altus, Ardmore, Bartlesville, Bethany, Broken Arrow, Duncan, Edmond, Enid, Lawton, Muskogee, Norman, Oklahoma City, Ponca City, Sapulpa, Shawnee, Stillwater, Tulsa, and Yukon.