Ironwood Forest National Monument is located in the Sonoran Desert and the U.S. state of Arizona. Created by Bill Clinton by Presidential Proclamation 7320 on June 9, 2000, the 129,022 acre (522 km²) monument is managed by the U.S. Bureau of Land Management, an agency within the U.S. Department of the Interior. Although the National Monument status applies only to federal lands, the monument perimeter surrounds about 189,000 acres (765 km) contig...
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Ironwood Forest National Monument is located in the Sonoran Desert and the U.S. state of Arizona. Created by Bill Clinton by Presidential Proclamation 7320 on June 9, 2000, the 129,022 acre (522 km²) monument is managed by the U.S. Bureau of Land Management, an agency within the U.S. Department of the Interior. Although the National Monument status applies only to federal lands, the monument perimeter surrounds about 189,000 acres (765 km) contiguous of federal and private land holdings, including Arizona State School Trust lands. A significant concentration of Ironwood (also known as Desert Ironwood, Olneya tesota) trees is found in the monument, along with two federally recognized endangered animal and plant species. More than 200 Hohokam and Paleoindian archaeological sites have been identified in the monument, dated between 600 and 1450 A.D.
The Ironwood is a long-lived tree, with some specimens estimated to be more than 800 years old. Ironwood is a pivotal species because it...
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