Black and white photograph of a group of three men at the Manitou Cliff Dwellings. Several petroglyphs can be seen to the left of the group.

Black and white photograph of a group of three men in the Curtain Hall Cave of the Winds, Manitou Springs, Colorado.

Black and white photograph of a group of three men standing on a bridge at Helen Hunt Falls in North Cheyenne Canyon, Colorado Springs, Colorado.

Black and white photograph of five people, three men and two women, standing on Point Lookout.

Black and white photograph of horseshoe bend roadway near Manitou Springs, Colorado.

Black and white photograph over the landscape looking south to Manitou Springs, Colorado.

Black and white photograph of a stairway of a stone building. A plaque on the second step reads, "The Top of this Step is One Mile above Sea-Level."

Black and white photograph of the east cliff face at Ute Pass.

Black and white photograph of William's Canyon from above. A building is visible on top of the mountain opposite the photographer with the word "CAVE" painted on its side.

Black and white lantern slide of a road winding through the Hot Sulphur Springs Canyon in Colorado.

Black and white lantern slide of old lava flows on Purple Mountain in Colorado.

Black and white lantern slide of a cliff dwelling in Mesa Verde National Park, looking north.