Ironwood Forest National Monument (26425378720)

This Ironwood Forest National Monument is made up of 129,000-acres and contains a significant system of cultural and historical sites covering a 5,000 year period. Possessing one of the richest stands of ironwood in the Sonoran Desert, the monument also encompasses several desert mountain ranges including the Silver Bell, Waterman, and Sawtooth, with desert valleys in between. Elevation ranges from 1,800 to 4,261 feet. Three areas within the monument, the Los Robles Archeological District, the Mission of Santa Ana del Chiquiburitac and the Cocoraque Butte Archeological District are listed on the National Register of Historic Places. <a href="https://www.blm.gov/visit/ironwood" rel="noreferrer nofollow">www.blm.gov/visit/ironwood</a> Photo by Bob Wick, BLM.