Lawrence Loendorf is an anthropologist and archaeologist whose research focuses on the North American intermountain west, ethnography, traditional cultural properties, and rock art. He currently directs a project to document the petroglyph sites on the hogback at the PiAon Canyon Maneuver Site in southeastern Colorado. Recent books include: Ancient Visions: Petroglyphs and Pictographs of the Wind River and Bighorn Country, Wyoming and Montana. University of Utah Press (with Julie Francis); Restoring a Presence: American Indians and Yellowstone National Park. University of Oklahoma Press (with