Alpine tundra in Colorado
Alpine vegetation
Aspen trees in Colorado
Colorado Rockies
Colorado Rockies
Flag form trees in Colorado
Fungus on fir tree in Colorado
Glacier-formed cirque in Colorado
Glacier-formed cirque in Colorado
Glacier-formed cirque in Colorado
James Peak in Colorado
James Peak in Colorado
James Peak in Colorado
Krummholtz on James Peak, Colorado
Krummholtz on James Peak, Colorado
Krummholtz on James Peak, Colorado
Niwot Ridge in Colorado
Representative Ben Reifel at Chief Jack House's summer dwelling in 1971
Rocky Mountain National Park in Colorado
Stone nest in Colorado
Stone stripes in Colorado
Stone stripes in Colorado
Stream line vegetation in Colorado