Photograph of a person squatting on a fallen log and fishing at Trout Lake. Mount Adams is visible in the background. The mountain is reflected in the lake.

Photograph of Spirit Lake and Mount Saint Helens in Washington. Taken from the shore of the lake. The lake is in the foreground and the mountain is behind it, reflected in the water. Handwriting on the back reads, "Mt. St. Helens Spirit Lake." Stamp on the back for Arthur M. Prentiss, Commercial Photographer.

Photograph of Mount Saint Helens in Washington. Taken from a nearby peak. There are forested hills and a lake in the foreground. Handwriting on the back of the print reads, "Mt. St. Helens." Stamp on the back for Arthur M. Prentiss, Commercial Photographer.

Photograph of a fishwheel on the Columbia River in the Columbia River Gorge. Two sets of railroad tracks pass the fishwheel. Taken from the Oregon side of the gorge, looking across the Columbia River at a large mountain in Washington in the background. Handwritten note on the back of the print reads, "Oregon side, North Columbia River Fish Wheel (Trap)" Stamps on the front and back of the print indicate a 1909 copyright by Kiser Photo Co. for SP&S Railway.

Photograph of 4 railroad construction workers working in a trench at the base of a graded hillside in Carson, Washington. They work next to a track that transports construction materials. To the right is the Columbia River and a view of a large mountain on the Washington side of the gorge. Handwriting on the bottom of the print reads, "1516, Finishing Station 1515, June 23 '06, P.&S. Ry." Handwriting on the back reads, "Carson Landing."

Photograph showing 9 mountaineers sitting in a grassy area below the summit of Mount Adams in Washington. Handwritten note on the back of the print reads, "Bird Creek Meadow at timber line of Mount Adams. 12,307 feet elevation. Group of mountain climbers in foreground. Photo by C.C. Hutchins." Handwritten label on the front of the print indicates a copyright by C.C.H.

Photograph showing 5 mountaineers posing on the snow-capped peak of Mount Adams in Washington. Four of them carry walking sticks. Handwritten note on the back of the print reads, "Mazamas, Mt. Adams."

Photograph showing 4 mountaineers in the snow on the peak of Mount Adams in Washington. Three of them kneel near a pile of rocks. One stands and puts his hand on his hat. Handwritten note on the back of the print reads, "Mazamas, Mt. Adams."

Photograph showing a view of the summit of Mount Adams in Washington. Taken from an open, snowy area below the summit. Handwritten note on the back of the print reads, "Mazamas, Mt. Adams."

Photograph showing 2 mountaineers standing on the edge of a body of water below the summit of Mount Adams in Washington. Adams Glacier is visible behind them. Handwritten note on the back of the print reads, "Mazamas, Mt. Adams."

Photograph showing a line of approximately 50 mountaineers hiking up a snow field on a mountain, likely Mount Adams in Washington. Clouds are visible in the background below the group. Handwritten note on the back of the print reads, "Mazamas." Stamp on the back of the print for Angelus Commercial Studio.