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
42nd Precinct / Town Hall Police Station and a wick was used to ignite it. The explosive damaged the car and shattered 20 to 30 windows in a neighboring building at 742 Addison Street. The attack was thought to be in retaliation against police officer Richard Nuccio, who had shot a 19 year old Ronald Nelson a year earlier. The explosion happened at 12:20am. There were no injuries and no suspects were ever apprehended. 42nd Precinct / Town Hall Police Station The 42nd Precinct/Town Hall Police Station, located in Chicago's Lake View community area, is one of the oldest and most architecturally significant extant historic police station