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
Saint Praxedis (painting) Saint Praxedis (painting) Saint Praxedis is an oil painting attributed to Johannes Vermeer. This attribution has often been questioned. However, in 2014 the auction house Christie's announced the results of new investigations which in their opinion demonstrate conclusively that it is a Vermeer. The painting is a copy of a work by Felice Ficherelli, and depicts the early Roman martyr, Saint Praxedis or Praxedes. It may be Vermeer's earliest surviving work, dating from 1655. The painting shows the saint squeezing a martyr's blood from a sponge into an ornate vessel. It is closely related to a work by Ficherelli from