View of Cape Horn on the Washington side of the Columbia River Gorge, looking up the Columbia River. OHS Collection includes 1 duplicate of this mammoth plate on a different mount, with the alternate title, "Cape Horn Below the Cascades."

View of the Oregon Steam and Navigation Company's steamboat "Oneonta" at the Upper Landing of the Cascades, Washington Territory, 1867. A steam locomotive pulls a train in the background.

View of the Cascade Rapids on the Columbia River, taken from the Oregon side of the Columbia River Gorge. Upper Block House, also known as Fort Lugenbeel, is visible in the background on the left.

The Cascades rapids of the Columbia River. The blockhouse at Fort Cascades is in the background. Loose duplicate plate in 7/1. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

William L. Finley setting up a tent in a camp, possibly along the Lewis River?

Mounted lantern slide of Herman T. Bohlman crouching with binoculars while two unidentified women sit reading in chairs in Camp Tawasentha on July 4th. Original negative: P202_series01_box04_0009.

Transcription from slide: “Cut-up plant at Vancouver.”

Platinum print of a river and surrounding rock formations near the columbia River Gorge.

Platinum print of rock formation in the Columbia River. The photograph has been attributed to both Sarah Hall Ladd and Lily E. White.

Platinum print of the Columbia River with mountains partially obscured by fog in the distance. Attributed to Lily E. White. This photograph is taken from the same vantage point and likely near the same time as the photograph on Plate 8 of Album 712.

Platinum Print of sheep gathered at the base of a tree, likely taken in the White Salmon Valley. Handwritten inscription on the back of the print reads, "Oak Hill Farm." Signed, "Lily E. White," on the matting below the lower right corner of the print.

Posed portrait of a Native American woman with a wooden mortar and pestle. Handwritten inscription on the back of the print reads, "In the Shadow of the Rock." Signed, "Copyrighted 1901 Lily E. White," in the lower right corner of the print.

Platinum Print of Castle Rock (today known as Beacon Rock) looking north from Mosquito Island (today known as Peirce Island). Handwritten inscription on the back of the print reads, "Castle Rock Looking North - Columbia." This print is sometimes published as, "Mosquito Island." Signed, "Lily E. White," in the lower right corner of the print.

Platinum print of storm clouds gathering over Cook Hill and Dog Mountain on the Columbia River. The photograph is looking west. Handwritten inscription on the back of the print reads, "Storm Mountain - Columbia." Signed, "Lily E. White," in the lower right corner of the print.

Platinum print of the Columbia River with mountains visible in the distance. Handwritten inscription on the back of the print reads, "Gateway to the Inland Empire - Opening of the Columbia." The photograph has been attributed in publications to both Sarah Hall Ladd and LIly E. White. Signed, "Lily E. White," in the lower right corner of the print.

Platinum print of a fish wheel and weir extending into the Columbia River below the Cascades. Handwritten inscription on the back of the print reads, "Columbia Fish Wheel and Weir." A caption accompanying the photograph published in Pacific Monthly in 1905 reads, "A fish wheel shown at the right extending from an island near the middle of the river. The scene is below the Cascades." The photograph is attributed to Sarah Hall Ladd and is signed, "S.H.L.," in the lower right corner of the print." This print is the same as Plate 16 from Album 201.

Two unidentified men on a raft loaded with wood. A rowboat is tied to the back of the raft. Several buildings and a train car are visible on the riverbank in the distance. Likely taken on the Columbia River. Caption on negative sleeve reads, "The Return with Wood, R-1, LW-1." Image note: appears to be from the same series as image LW-7.

Sarah Hall Ladd using a cloth to clean an anchor on the deck of Lily E. White's houseboat, the Raysark. Caption from negative sleeve reads, "Hostess Extra Duty [Sarah Ladd was Hostess], R-2, LW-2."

Clean laundry hanging from lines on the deck of Lily E. White's houseboat, the Raysark. Beacon Rock is visible in the distance.

A woman, possibly Lily E. White climbing out into a rowboat beside her houseboat, the Raysark, from the water on the bank of the Columbia River. A fish wheel is visible in the distance.

Interior view of one of the cabins on Lily E. White's houseboat, the Raysark. There is a toy cannon on the floor. Several photographs taken by Lily E. White and Sarah Hall Ladd hang on the wall. Caption from negative sleeve reads, "Cabin with Cannon, R-23, LW-23."

Four unidentified men pulling a seine (a large fishing net) into a boat along the shore of the Columbia River. Beacon Rock is visible in the distance. Caption from negative sleeve reads, "Seining on Columbia (1 of 2 views - best), R-27, LW-27."

Five unidentified men pulling a seine (a large fishing net) into a boat along the shore of the Columbia River. Beacon Rock is visible in the distance. Caption from negative sleeve reads, "Seining on Columbia (1 of 2 views - best), R-28, LW-28."

View from the deck of Lily E. White's houseboat, the Raysark. A log raft and two row boats are tied to the side of the boat. Sarah Hall Ladd and a man, possibly Charles Elliott Ladd, sit on the raft. An American flag is visible at the back of the boat. A settlement and two train cars are visible on the far shore. Caption from negative sleeve reads, "View from Houseboat Deck, R-38, LW-38."

A tree growing on the edge of a cliff. There is a large body of water visible below with a settlement on the opposite shore. Likely taken in the Columbia River Gorge. Caption from negative sleeve reads, "Landscape - tree, water, R-68, LW2-49."

People and cars in a parking lot at Kaiser Vancouver shipyard, with a visible fire at the Hudson House dormitory for workers. Smoke is rising from the fire, and people are gathered in groups watching (negative 1 of 10).

People silhouetted in front of a fire at the Hudson House dormitories at Kaiser Vancouver shipyard. Flames and smoke can be seen rising from the fire (negative 2 of 10).

People spraying water on a fire at the Hudson House dormitories at Kaiser Vancouver shipyard. They’re holding a hose and spraying upward towards an electrical line. A brick chimney can be seen in the flames (negative 7 of 10).