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.
The climate of Oklahoma (United States of America) The state of Oklahoma is located centrally in the southern part of the United States and mainly has a hilly landscape. Several mountains can be found in the northwestern part of the state; the highest point in the state is the peak of Black Mesa with an altitude of 1,516 meters.