A postcard depicting the flood water around Union Station during the Vanport flood. The photograph is taken from a high vantage point and shows the water surrounding union station, the railroad yards, and nearby buildings. The Steel Bridge is also visible in the distance. The image caption reads, "Flood waters " Portland, Ore. Christian V 15."

Negative of a photographic postcard showing a view of a mountain across the Columbia River in the Columbia River Gorge. Taken from the Oregon side and looking towards the mountain in Washington state. Handwriting on negative reads, "Flattop Mountain - Columbia River. Christian 11-666."

Negative of a photographic postcard showing 2 children on horseback under a sign announcing the Umatilla County Fair in Hermiston, Oregon. In the foreground, a banner over a road reads, "Welcome Umatilla County Fair." Handwriting on negative reads, "Fair Grounds - Hermiston, Ore. Christian 11-962."

Negative of a photographic postcard showing the Portland Waterfront. Crowds of people are lined along the Willamette River looking at a submarine (lower right) and an aircraft carrier with planes on deck, both docked in the river. Looking south and likely taken from the Burnside Bridge. The Morrison Bridge and the Hawthorne Bridge are both visible. Sunlight reflects off the Willamette River. Handwriting on negative reads, "Evening Portland Harbor. Christian 11-601."

Negative of a photographic postcard showing an evening view of Crater Lake, Oregon. Silhouette of a tree on a rock outcropping in the foreground. Handwriting on negative reads, "Evening - Crater Lake, Oregon. Christian 11-710." Handwritten note on envelope states that instructions on original negative sleeve read, "Print Dark."

Negative of a photographic postcard showing the town of Hood River on the Columbia River in the Columbia River Gorge. Taken from a road above the town. The view includes mountains on the Washington side of the gorge. Handwriting on negative reads, "Entering Hood River, Oregon. Christian 11-994." Handwritten note on envelope indicates this was taken in 1959.

Negative of a photographic postcard showing Elk Lake with a view of South Sister in the background. Taken from the shore of the lake. Broken Top mountain is visible to the right. Handwriting on negative reads, "Elk Lake near Bend, Oregon. Christian S-254."

Negative of a photographic postcard showing Easton's drugstore in Umatilla, Oregon. A sign on the building reads, "Easton's Thrift-Wise Drugs. Super Rexall Store." Other signs on the building advertise a basement store and a restaurant. Automobiles are parked in front of the store. Handwriting on negative reads, "Umatilla, Oregon. Christian 11-967."

Negative of a photographic postcard showing the Eagle Creek Bridge, a stone bridge over Eagle Creek in the Columbia River Gorge. The bridge is a part of the Historic Columbia River Highway in Oregon. Handwriting on negative reads, "Eagle Creek Bridge. Columbia River Highway. Christian 11-794."

Negative of a photographic postcard showing a waterfall in a narrow gorge. Taken from the top of the waterfall, looking down at the gorge. Handwriting on negative reads, "Eagle Creek - Columbia River Highway. Christian 11-661."

Negative of a photographic postcard showing branches of white dogwood flowers against a black background. Handwriting on negative reads, "Dogwood. Christian 11-668."

Negative of a photographic postcard showing Dinty's Service Station in Biggs Junction, Oregon. There are 3 gas pumps at the station and 2 men stand to the left. A sign on the left reads, "Registered Rest Room." Other signs advertise coffee, cold drinks, and Coca-Cola. Handwriting on negative reads, "Christian 11-846."

Negative of a photographic postcard showing a waiter cleaning a table at an outdoor restaurant at the Singing Springs Ranch in Agness, Oregon. Other tables are set for a meal. Handwriting on negative reads, "Dining with Nature - Singing Springs Ranch." Handwritten note on envelope indicates this was taken by Christian in 1952.

Negative of a photographic postcard showing the dining room of a restaurant at the Singing Springs Ranch in Agness, Oregon. Handwriting on negative reads, "Singing Springs Ranch - Agness, Ore. Christian P-275." Handwritten note on envelope indicates this was taken in 1957.

Negative of a photographic postcard showing 2 women walking on a path inside a cave at the Oregon Caves National Monument in Oregon. Handwriting on negative reads, "Oregon Caves. Devil's Cradle - River Styx. Christian S-406."

Negative of a photographic postcard showing the construction of the Detroit Dam in Detroit, Oregon. Taken from a nearby hillside, the view looks down on a dam that is halfway built across a river. A construction crew works on the dam. Handwriting on negative reads, "Detroit Dam Construction - Detroit, Ore. Christian S-129."

Negative of a photographic postcard showing the construction of the Detroit Dam in Detroit, Oregon. Handwriting on negative reads, "Detroit Dam Construction - Detroit, Ore. Christian S-77."

Negative of a photographic postcard showing a narrow dirt road through a forest. Handwriting on negative reads, "Detroit - Breitenbush Road. Christian S124."

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."

Negative of a photographic postcard showing a person looking through a telescope at the D. Wright Observatory on the McKenzie Pass in the Cascade Range in Oregon. Lava beds and trees stretch into the distance and Middle Sister and North Sister mountains are in the background. There is a directional marker in the foreground. Handwriting on negative reads, "D. Wright Observatory - McKenzie Pass, Ore. View from Observatory. Christian S-160A."

Negative of a photographic postcard showing the Vista House at Crown Point in the Columbia River Gorge. View looking east at the Vista House, with the gorge and the Columbia River in the background. Handwriting on negative reads, "Crown Point. Columbia River - Ore. Christian 11-759."

Negative of a photographic postcard showing the Vista House at Crown Point in the Columbia River Gorge. Looking northeast, with a view of the Washington Cascades and the Columbia River. Handwriting on negative reads, "Crown Point - Vista House - Columbia River, Ore. Christian 11-702." There are scratches near the top of the negative.

Negative of a photographic postcard showing a view of the Crooked River Gorge in Oregon. There is a large area of volcanic rocks. The Crooked River High Bridge is visible in the distance. Handwriting on negative reads, "Crooked River Gorge - Oregon. Christian S-283."

Negative of a photographic postcard showing an aerial view of the Crooked River Gorge in Oregon. Two bridges cross the gorge, including the Crooked River High Bridge. Handwriting on negative reads, "Crooked River Gorge - The Dalles-Calif. Hwy. Christian S-478."

Negative of a photographic postcard showing the Crooked River High Bridge spanning the Crooked River Gorge. The Crooked River flows through the bottom of the gorge. Handwriting on negative reads, "Crooked River Bridge - Oregon. Christian S-273."

Negative of a photographic postcard showing Crater Lake in Oregon. Note on envelope states this was taken from Mount Scott. Handwriting on negative reads, "Christian 11-553." The top of the negative is discolored.

Negative of a photographic postcard showing the southeast end of Crater Lake. The Phantom Ship island is visible in the lake. Meadow and trees in the foreground. Handwriting on negative reads, "Crater Lake, Oregon. Christian 11-713."

Negative of a photographic postcard showing a view of Crater Lake, Oregon and Wizard Island. Handwriting on negative reads, "Crater Lake, Oregon. Christian 11-724."