The Los Robles Archaeological District is located in

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

Ironwood Forest National Monument Ironwood Forest National Monument is located in the Sonoran Desert of Arizona. Created by Bill Clinton by Presidential Proclamation 7320 on June 9, 2000, the monument is managed by the Bureau of Land Management, an agency within the United State ...

and was added to the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

on May 11, 1989. The district is nearly 13,000 acres and contains over 100 historic and prehistoric archaeological sites, including the Los Robles Platform Mound Community and a trincheras. In 2003, George H. Johnson and his Johnson International Inc. illegally bulldozed 270 acres of state trust land in and near Los Robles, causing an estimated $8,000,000 in damage. Several sites were completely destroyed, including areas within the Los Robles Platform Mound Community. In addition, Johnson International Inc. destroyed over 40,000 protected plants, contaminated local water sources by illegally dumping pollutants, and was responsible for the deaths of at least twenty-one

endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...

Desert bighorn sheep The desert bighorn sheep (''Ovis canadensis nelsoni'') is a subspecies of bighorn sheep (''Ovis canadensis'') that is native to the deserts of the United States' intermountain west and southwestern regions, as well as northwestern Mexico. The Bu ...

, and the injury of several others.

References

{{DEFAULTSORT:Lost Robles Archaeological District Archaeological sites in Arizona Archaeological sites on the National Register of Historic Places in Arizona Hohokam trincheras sites Buildings and structures in Pima County, Arizona Buildings and structures in Pinal County, Arizona History of Pima County, Arizona 1989 establishments in Arizona Protected areas of Arizona Protected areas of the Sonoran Desert National Register of Historic Places in Pima County, Arizona

See also

References