660 Field Photos, 2008
Thumbnails below are linked to captions and larger images
Guadalupe Mountains, Texas and New Mexico
Sacramento Mountains/White Sands/Gunnison, New Mexico & Colorado
Rock Springs Uplift & Washakie Basin, Wyoming
Big Horn Basin and Greybull, Wyoming

Yellowstone and Grand Teton National Parks; Island Park, Idaho; Hebgen Lake, Montana
Dillon/McCartney Mountains, Big Belt Mountains, Montana
Pioneer Mountains, near Melrose and Butte, Montana