Black and white photograph of a tower on Pikes Peak. Several people can be seen standing next to railroad tracks in the foreground.

Black and white photograph of Lena Billington Merrill aboard the Pikes Peak Cog Railway. Taken by Robert Merrill from the ground.

Black and white photograph of Lena Billington Merrill, seat on Pikes Peak.

Black and white photograph showing a down-northwestard view from Pikes Peak Summit Plaque.

Black and white photograph of the Pikes Peak summit at a twenty-five percent grade above the timber line.

Black and white photograph of the Pikes Peak summit from the timber line.

Black and white photograph of Hanging Rock at the Pikes Peak Cog Railway.

Black and white photograph of the Mt. Manitou Scenic Railway in Colorado. A woman, possibly Lena Merrill, is visible at a distance. A sign to the right reads The Scenic Incline to Mt. Manitou Park.

Black and white photograph of plane landscape toward Colorado Springs, Colorado. Taken by Robert Merrill from a moving train.

Black and white photograph of rocks to the east of a summit. Railroad tracks can be seen through the rocky landscape.

Black and white photograph of a train crossing a curved trestle bridge.

Black and white photograph of mines at Goldfield, Colorado. Taken by Robert Merrill from a stationary train.

Black and white photograph of rocky landscape at Clyde. The front engine of a train is visible at the lower right edge of the photograph.

Black and white photograph of rocky landscape and train in motion on railroad tracks. Two engines and two passenger cars, all connected, are visible to the right of the photograph.

Black and white photograph of a peak on the Cripple Creek Railroad in Colorado.

Black and white photograph of rocks at Point Sublime, taken by Robert Merrill from a stationary train.

Black and white photograph of a group of people (five men and six women) at Ellis, Kansas. Eleven people are visible, including Merrill's wife Lena.

Black and white photograph of a landslide on the Chicago, Rock Island and Pacific Railroad. Taken by Robert Merrill from a moving train.

Black and white photograph of nine people, mostly women, standing front of a house in Fultonvile, New York.

Black and white photograph of people seated on the steps of a porch. The photo appears to be poorly framed, but six people are partially visible. Taken by Robert Merrill in Fultonville, New York.

Black and white photograph of nine people, two men and seven women, on the steps of a porch. Taken by Robert Merrill in Fultonville, New York.

Black and white photograph of water front at Caroga Lake, Fulton County, New York.

Black and white photograph of house at Caroga Lake, Fulton County, New York.

Black and white photograph of Flora Merrill Hubbard's baby, Robert Hubbard, seated on a wicker bench.