Negative of a photographic postcard showing a view of Crater Lake, Oregon, from the summit of Castle Rock. There is a rock formation in the foreground. Most of Wizard Island is visible. This is a photograph of a postcard originally published by the Kiser Photo Co. in 1903. Printed on the bottom left are the original copyright notice and title, "Crater Lake. From Summit of Castle Crest." Handwriting on negative reads, "Crater Lake from Castle Rock - Oregon. Christian 11-722."

Negative of a photographic postcard showing a street scene in downtown Portland. Several businesses are visible, including the Congress Hotel, a Lincoln Mercury car dealership, and a battery shop. An automobile is parked in the left foreground and its license plate indicates the year 1947. There is a large tree on the sidewalk. Handwriting on negative reads, "Portland, Oregon. Christian 11-833."

Negative of a photographic postcard showing a street scene in Redmond, Oregon. Businesses line both sides of the street and there are signs for Cut Rate Drugs, Redmond Variety Store, Fifer Jeweler, and more. The Odem Theater marquee advertises the movie "It's a Wonderful Life." Flags hang above the street. There are several automobiles on the street. Handwriting on negative reads, "Redmond, Oregon. Christian S-462A."

A postcard depicting flooded trains in the railroad yards during the Vanport flood. The Image caption reads, "Flood Waters Railroad Yards, Portland, Ore. Christian V-14."

A postcard depicting damage caused by flood waters during the Vanport flood. In the image several apartment buildings which were lifted from their foundations by rising water are seen floating among debris. Several unidentified people are visible standing on rooftops, climbing on debris, and in boats. The image caption reads, "Flood destruction - Vanport, Ore. Christian V-10."

A postcard depicting damage caused by flood waters during the Vanport flood. In the image several apartment buildings which were lifted from their foundations by rising water are seen floating among debris. The image caption reads, "Flood destruction Vanport, Ore. Christian V-11."

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 street scene in The Dalles, Oregon. Businesses line both sides of the street and there are signs for the Columbia Theatre, the Granada Theatre, Elite Studio, The Dalles Furs, and more. The marquee at the Columbia Theatre advertises the movies "Roses are Red" and "The Stranger from Ponca City." A banner hanging over the street advertises the upcoming Fort Dalles Centennial Days celebration. There are several automobiles on the street. Handwriting on negative reads, "The Dalles, Oregon. Christian 11-861."

Negative of a photographic postcard showing a street scene in Milwaukie, Oregon. Businesses line both sides of the street and there are signs for Safeway, Klippel's Firestone, and more. On the left, the Victory movie theater marquee advertises Bob Hope and Lucille Ball in "Sorrowful Jones." A Meier and Frank truck is parked outside the theater. Handwriting on negative reads, "Milwaukie, Oreg. Christian 11-1207."

Negative of a photographic postcard showing the USS Topeka docked in the Willamette River in Portland, Oregon. An aircraft carrier with planes on deck is docked behind it. A thick plume of black smoke rises in the background. The Steel Bridge is visible in the distance. Handwriting on negative reads, "Harbor - Portland, Oregon."

Negative of a photographic postcard showing Broadway Street in downtown Portland, Oregon. The Paramount Theater is on the left. Its marquee advertises Walt Disney's "Cinderella" in Technicolor. The Broadway Theater is on the right. Its marquee advertises Mickey Rooney in "The Big Wheel." The sign for the Orpheum is further down the street.

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 a street scene, taken from the intersection of 6th Street and E Street in Redmond, Oregon. Businesses line both sides of the street and there are signs for White's Rexall Drugs, Redmond Variety Store, Odem movie theater, and more. There are pedestrians on the sidewalks and automobiles parked on the street. Handwriting on negative reads, "Redmond, Oreg. Christian S-244."

Negative of a photographic postcard showing an aerial view of the Portland-Columbia Airport, known today as the Portland International Airport. Two Northwest Airlines planes sit on the tarmac next to a building. Handwriting on negative reads, "N.W. Airlines - Columbia Airport - Portland, Oregon. Christian 11-856."

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 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 the exterior of the Tillamook Cheese Factory in Tillamook, Oregon. A sign in front of the building reads, "This is the home of Tillamook Cheese," and lists visiting hours from 9am-4pm. Automobiles are parked in the lot in front of the building. Handwriting on negative reads, "Tillamook Cheese Factory - Tillamook, Ore. Christian 3030." Handwritten note on envelope indicates this was taken in 1957. The negative is discolored.

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 people in a U.S. mail boat on the Rogue River near Agness, Oregon. A suspension bridge crosses the river behind them. Handwriting on negative reads, "U.S. Mail Boat - Forestry Bridge approaching Singing Springs Ranch - Rogue River, Agnes (sic), Ore. Christian P-292." Handwritten note on envelope indicates this was taken in 1957.

Negative of a photographic postcard showing the exterior of the Tillamook Cheese Factory in Tillamook, Oregon. A sign in front of the building reads, "This is the home of Tillamook Cheese," and lists visiting hours from 9am-4pm. Automobiles are parked in the lot in front of the building. Handwriting on negative reads, "Tillamook Cheese Factory - Tillamook, Ore. Christian 3031." Handwritten note on envelope indicates this was taken in 1957. The negative is discolored.

Negative of a photographic postcard showing several large rocks in the ocean. A wave splashes on a rock in the foreground. Handwriting on negative reads, "Cannon Beach, Oregon. Christian 334." Handwritten note on envelope indicates this was taken in 1958.

Negative of a photographic postcard showing a view of the city of Portland, Oregon, taken from Council Crest. View looks northeast towards the east side of Portland, and the Columbia River in the distance. In the foreground, several bridges cross the Willamette River in the downtown Portland area. Handwriting on negative reads, "Portland from Council Crest. Christian 11-854." The left side of the negative is damaged.

Negative of a photographic postcard showing wheels of cheese sitting on long shelves. The shelves go from the floor to the ceiling. Handwriting on negative reads, "Tillamook Cheese. Christian 458." Handwritten note on envelope indicates this was taken in 1958.

Negative of a photographic postcard showing an airborne salmon traveling upstream at a rapid on the Rogue River. Handwriting on negative reads, "Salmon leaping Rainey Falls - Rogue River. Christian P-1155." Handwritten note on envelope indicates this was taken in 1959.

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 the Bonneville power plant at the Bonneville Dam. The road leading to the plant is lined with flowers and a body of water is to the right. There are several power lines in the sky, transmitting electricity from the plant. Handwriting on negative reads, "Bonneville Power Plant. Columbia River Highway, Oregon. Christian 507."

Negative of a photographic postcard showing the Bonneville Dam. Water rushes through several spillway gates, also known as floodgates or stop gates. Handwriting on negative reads, "Spillway Gates Bonneville Dam, Oregon. Christian 11-509."