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,...
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Adjacent to rapidly expanding communities, the 70,900-acre Agua Fria National Monument is approximately 40 miles north of central Phoenix. The area...
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The Sonoran Desert National Monument contains more than 487,000 acres of Sonoran Desert landscape. The Sonoran Desert is the most biologically...
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