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
Chief of police and how its funds are spent, rather than being police officers. The precise role a chief of police has varies by country and sometimes within a country. The larger a police force or department, the more likely that some duties will be delegated to mid-ranked officers. The following list is a general sense of the actions and responsibilities held by any chief of police. Police chiefs are usually sworn police officers, and therefore wear police uniform and have the power of arrest, though there are exceptions. In practice, their work is administrative in all but the smallest police departments. The