Established: January 11, 2000 Location: California Area: 2,272 acres Visitation (2017): n/a BLM Official Website
Established: April 1, 1931 Location: Arizona Area: 83,840 acres Visitation (2017): 825,660 NPS Official Website
Established: June 9, 2000 Location: Colorado Area: 176,056 acres Visitation (2017): ~35,000 BLM Official Website
