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 the east landscape taken from Point Sublime.

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 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 photograph of the east cliff face at Ute Pass.

Black and white photograph of five men standing next to boulders at the bottom of a mountain.

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 a creek going downhill through a canyon.

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

Black and white photograph of Golden, Colorado from above.

Black and white photograph of 16 pickerel fish hanging from a railing.

Black and white photograph of A man on a boat overlooking a town next to a wooden bridge. Automobiles and people walking fill the bridge and the street leading to the bridge.

Black and white photograph of Sconset Station. A train is visible next to the group of buildings on a hill.

Black and white photograph of a lighthouse at the end of a pier with a wall of rocks surrounding the beach where the pier is built.

Black and white photograph of a city shoreline taken from a boat.

Black and white photograph of Frank Hall, relative of Robert H. Merrill, standing on a porch.

Black and white photograph of Frank Hall, relative of Robert H. Merrill, standing on a porch.

Black and white photograph of a woman standing in front of the Brown University dorm building.

Black and white photograph of a woman standing on a lawn in front of two buildings and a statue of a man riding a horse on the Brown University campus.

Black and white photograph of the Rhode Island Capitol building.

Black and white photograph of a woman standing in front of a fountain.

Black and white photograph of a curved road overlooking a city in a valley. Mountains are visible in the distance. Three automobiles are parked along the road, and people are walking and standing along the road.

Black and white photograph of a mountain landscape. An automobile is visible at the bottom of the frame with two people visible inside the vehicle.