Black and white photograph of the active Jewel Geyser in front of a forest at Yellowstone National Park.

Black and white photograph of the Grotto Geyser at rest, Yellowstone National Park.

Black and white photograph of the Fountain Geyser at Yellowstone National Park. Steam is rising from the geyser, and a pine tree stands between the geyser and the photographer.

Black and white photograph of the Daisy Geyser in eruption, Yellowstone National Park. A man is seen walking next to the geyser.

Black and white photograph of the Constant Geyser at Yellowstone National Park. Several people can be seen on the left side of the image observing the geyser erupt.

Black and white photograph of the Beehive Geyser, Yellowstone National Park, with Lena Billington Merrill facing the camera.

Black and white photograph of the Beehive Geyser in eruption, Yellowstone National Park. Lena Billington Merrill can be seen at a short distance from the geyser.

Black and white photograph of the Beehive Geyser before eruption, Yellowstone National Park. A man and a woman are standing near the geyser.