Karl Agre, M.D.:
Betatakin, Navajo National Monument
Karl Agre, M.D.:
Betatakin, Navajo National Monument
Karl Agre, M.D.:
Joshua Tree
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
Petrified Forest National Park 1973
Karl Agre, M.D.:
View From The South Rim, Grand Canyon National Park, Arizona 1973
Karl Agre, M.D.:
South Rim, Grand Canyon National Park 1973
Karl Agre, M.D.:
South Rim, Grand Canyon National Park 1973
Karl Agre, M.D.:
Gathering Storm, South Rim, Grand Canyon National Park 1973
Karl Agre, M.D.:
South Rim, Grand Canyon National Park 1973
Karl Agre, M.D.:
Chiricahua National Monument 1984
Karl Agre, M.D.:
Chiricahua National Monument, Arizona 1984
Karl Agre, M.D.:
Chiricahua National Monument 1984
Karl Agre, M.D.:
Chiricahua National Monument 1984
Karl Agre, M.D.:
Chiricahua National Monument 1984
Karl Agre, M.D.:
Chiricahua National Monument 1984
Karl Agre, M.D.:
Chiricahua National Monument 1984
Karl Agre, M.D.:
Chiricahua National Monument 1984
Karl Agre, M.D.:
Montezuma Castle National Monument, Camp Verde, Arizona 1973
Karl Agre, M.D.:
Flowering Opuntia Cactus, Canyon Del Muerto 1991
Karl Agre, M.D.:
Lava Flow, Sunset Crater Volcano National Monument 1991
Karl Agre, M.D.:
Sunset Crater Volcano National Monument 1991
