Valles Caldera Valles Caldera dates back to the prehistoric times: spear points dating to 11,000 years ago have been discovered. Several Native American tribes frequented the caldera, often seasonally for hunting and for obsidian, used for spear and arrow points. Obsidian from the caldera was traded by tribes across much of the Southwest. Eventually, Spanish and later Mexican settlers as well as the Navajo and other tribes came to the caldera seasonally for grazing with periodic clashes and raids. Later as the United States acquired New Mexico as part of the Treaty of Guadalupe Hidalgo in 1848, the caldera became the backdrop
American Society of Criminology American Society of Criminology The American Society of Criminology (ASC) is an international organization whose members pursue scholarly, scientific and professional knowledge concerning the measurement, etiology, consequences, prevention, control, and treatment of crime and delinquency. The organization has it roots in a series of informal discussion groups that sprang up in the early 1930s under the loose direction of former Berkeley, California police chief and then University of California-Berkeley professor, August Vollmer. The Society was formally organized as the National Association of College Police Training Officials in August Vollmer's home in Berkeley in late December 1941. The organization was renamed