Close-up, Cliff Palace, Mesa Verde National Park, Colorado, 1941

Cliff Palace, Mesa Verde National Park, Colorado, 1941

Fire In Canyon

Canyon edge, low horizon, clouded sky, Grand Canyon National Park, Arizona, 1941

Middle Fork at Kings River from South Fork of Cartridge Creek, Kings River Canyon, proposed as a national park, California, 1936

Grand Canyon National Park, Arizona - National Parks and Monuments, 1941