Negative of a photographic postcard showing a creek in a narrow gorge. Handwriting on negative reads, "Rogue River - Union Creek - Ore. Christian P-298."

Negative of a photographic postcard showing a small waterfall on a creek of a forested area. Handwriting on negative reads, "Multnomah Creek - Columbia River Highway. Christian 11-663."

Negative of a photographic postcard showing the Rogue River flowing through a valley. Handwritten note on negative reads, "Rogue River above Singing Springs Ranch." Handwritten note on envelope indicates this was taken in 1957.

Negative of a photographic postcard showing the McKenzie River flowing through a forested landscape in Oregon. Taken from the river. Handwriting on negative reads, "McKenzie River, Oregon. Christian S-188A." Christian's name is written twice on the negative.

Negative of a photographic postcard showing the Santiam River flowing through a forested area. Taken from the river. There is a hill in the background. A patch of fog or mist hangs over the river. Handwriting on negative reads, "Santiam River - Oregon. Christian S-270."

Negative of a photographic postcard showing the Deschutes River flowing through the town of Maupin, Oregon. Sagebrush covers a slope in the foreground leading down to the river. Handwriting on negative reads, "Deschutes River - Maupin, Oregon. Christian S-81."

Photograph showing floating logs in a river (near Portland?). At the center of the frame, workers can be seen pushing logs with long poles, while another man can be seen in a boat. Several buildings are visible along the shore across the river (negative 1 of 18).

Photograph showing a small wooden house, which appears to be in disrepair. Wooden planks and roof shingles lay on the ground, and windows appear to be broken. A wooden walkway is on the left side of the frame, next to a set of vertical poles and the edge of a river (near Portland?) (negative 13 of 18).

An industrial area on the Willamette River in Salem, Oregon. Logs can be seen floating in the water, next to what is likely a sawmill. A multi-story building is in the distance, with a sign that reads “Moving, Storage, Fuel Oil” (negative 11 of 12).

A log boom (a barrier in a river to collect or contain floating logs) on Silver Creek in Silverton, Oregon. Logs can be seen floating behind the boom in the foreground. Several buildings are visible along the banks of the river. Handwriting on the negative reads "Logs Boomed In Silvercreek Silverton, Or. #149 Drake '09."

A flooded section of the Pudding River near Silverton, Oregon. A man wearing a raincoat and hat stands on the bank watching three rowboats navigated by eight men in the water. Partially submerged utility poles and barbed-wire fencing are also visible.

A view of Silver Creek at Main Street in Silverton, Oregon. Buildings can be seen along one bank of the creek and a steel bridge is visible over the creek. See also related image No. 625.

View of Silver Creek north of Main Street in Silverton, Oregon. Trees line the banks and power lines are visible crossing the creek.

Photograph of flooding on the Columbia River near The Dalles. Same flooding that caused the Vanport Flood down river. In the background, a flooded building is completely surrounded by water in the Columbia River. In the foreground, railroad tracks disappear underwater. Handwritten note on back indicates this was taken May 30, 1948, by someone named "Foster" or "Lofie." Possibly Lafayette “Lafie” Leonard Foster who was likely associated with the Northwest School of Photography and later a photographer for The Dalles Chronicle.

Photograph of a river flowing through a narrow canyon in Central Oregon. Stamp on the back of the print indicates a 1909 copyright notice by Kiser Photo Co. for SP&S Railway.

Photograph of a river flowing through a desert landscape in Central Oregon. Taken from a hillside. There are rock formation in the left foreground. Clouds partially obscure a snow-capped mountain in the distance. Embossment on lower right reads, "Gifford, Portland, Oregon."

Photographic postcard showing a river. A few people fish from the shore. Writing on bottom of postcard reads, "826, Clackamas Tavern Fishing Ground near Oregon City, Ore."

Photograph of the Crooked River Canyon in Central Oregon. Taken from the top of the canyon, looking down at the Crooked River flowing through the base of the canyon. A homestead is visible near the river. Handwriting on back of print reads, "Looking down Crooked River Canyon. Showing the Cove Ranch." Stamp on the back of the print indicates a 1911 copyright notice by Kiser Photo Co. for SP&S Railway.

A railroad track runs alongside a river, likely the Deschutes River. To the left, several waterfalls run down the side of a canyon. Handwriting on back reads, "Oak Springs, Deschutes River." Stamp for Kiser Photo Co. on front of print.

A small track made of wood follows the bank of the Deschutes River. The river rounds a bend. Handwriting on back of print reads, "Swallow Ditch and Deschutes River." Stamp for Kiser Photo Co. on front of print. Stamp on back of print reads, "From Passenger Department, The North Bank Road, Portland, Ore."

Photograph of a log cabin near the bank of a river. A person stands in front of the cabin, looking toward the camera. Taken from the river, looking up at the cabin. Handwriting on back of print reads, "Cabin along upper river. Deschutes R."

Manuscript describing the problem of pollutants being dumped into the Willamette River and later traveling to the Columbia River where pollution is killing the fish. The author asserts that individual sportsmen and anglers have to follow the pollution laws but companies are not being held to the same standard. The author also states that citizens of Portland were initially on board to install sewage systems but support vanished once it was realized that the funding would come from property owners and not the government.