Black and white photograph of the falls from Artist's Point at Yellowstone National Park (mile 17601).

Black and white photograph of a woman and a boy in front of the Petrified Tree at Yellowstone National Park (mile 17527).

Black and white photograph of the Tower Falls in Yellowstone National Park (mile 17523).

Black and white photograph of a river and mountains from Inspiration Point (mile 17502).

Black and white photograph of the gorge below the lower falls at Yellowstone National Park.

Black and white photograph of six people standing next to the Upper Falls at Yellowstone National Park (mile 17459).

Black and white photograph of a group of people standing next to the Dragon's Mouth at Yellowstone National Park (mile 17450).

Black and white photograph of a group of people standing next to the Mud Volcano at Yellowstone National Park (mile 17450).

Black and white photograph of the Roosevelt Arch entrance to Yellowstone National Park in Gardiner, Montana. The top of the arch reads for the benefit and enjoyment of the people. Water damage is visible on the image, which was scanned from the…

Black and white photograph of Hymen Terrace, Yellowstone National Park. Two women can be seen standing in the foreground of the image.

Black and white photograph of a horse-drawn coach at the Mammoth Hotel, Yellowstone National Park. Several people can be seen in and around the coach. Lettering on the side of the coach reads Yellowstone Park Transportation Co. Water damage is…

Black and white photograph of Jupiter Terrace, Yellowstone National Park. Taken by Robert Merrill from above. Water damage is visible on the image, which was scanned from the negative.