Kirt Kempter

Kirt Kempter leads geologic tours around the world for National Geographic and the Smithsonian Institute. He is the author of Kasha-Katuwe Tent Rocks National Monument and Valles Caldera National Preserve: Geologic History of the Southwest's Youngest Caldera, both published in the High Desert Field Guides Series (UNM Press). He lives in Santa Fe, New Mexico.