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
Clara Guerrero participation of the highest athletic personalities of the country. Guerrero was elected as the 2009 Bowler of the Year. Clara Guerrero from Colombia achieved what experts believe to be a historic record by winning gold in both All Events and Masters in the 2009 Women's World Championships in Las Vegas in August. She also fared well in the PBA Women's World Championships and PBA Women's Series, bringing her numerous nominations for this prestigious award. Another record for Guerrero is that she has made the double, not only being named as the WBW Bowler of the Year but also being inducted