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 (Chief Officer), Vancouver Police Department (Chief Constable), West Vancouver Police Department (Chief Constable), and the Sûreté du Québec (Director General). In the province of Ontario, Canada, a chief of police must be a sworn police officer and therefore have completed training at the Ontario Police College or have served a probationary period with another recognized police force (such as the Royal Canadian Mounted Police's Academy known as "Depot"). This requirement is legislated in the Police Services Act of Ontario. The legislation states in Section 2 that a Chief of Police is a Police Officer. Section 44.2 of the PSA defines