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 lowest point in Oklahoma lies at 88 meters (289 feet) above sea level and is located on the Little River at the Arkansas border. Guadalupe Peak, an ancient limestone reef that rises abruptly from the Chihuahuan Desert, is the highest point in Texas at 2667 meters (8751 feet) above sea level.