Platinum print of the Columbia River with mountains visible in the distance. The photograph has been attributed in publications to both Sarah Hall Ladd and LIly E. White.

Platinum print of the Columbia River with mountains and fog visible in the distance. The photograph has been attributed in publications to both Sarah Hall Ladd and LIly E. White.

Platinum print of mist on the Columbia River. Attributed to Sarah Hall Ladd.

Platinum print of the submerged forest on the bank of the Columbia River. Attributed to Sarah Hall Ladd.

Platinum Print of a posed portrait of a Klickitat woman identified by Lily E. White as Sally Waukiagus. She is seated and holding a basket. Alternative spellings of her name include Waukuaquas and Waukiagues. Handwritten inscription on the back of the image reads, "Sally Waukiagus - Klickitat." Signed, "Lily E. White," on the matting below the lower right corner of the print.

Platinum print of the Columbia River with mountains partially obscured by fog in the distance. Signed, "Lily E. White," on the matting below the lower right corner of the print. This photograph is taken from the same vantage point and likely near the same time as the photograph on Plate 15 of Album 201.

Platinum Print of trees in the Columbia Slough. Handwritten inscription on the back of the print reads, "Columbia Slough." Signed, "Lily E. White," on the matting below the lower right corner of the print.

Posed portrait of an elderly Native American woman and an infant in a beaded cradleboard. Handwritten inscription on the back of the print reads, "Periods of Time - Columbia Indians." Signed, "Copyrighted 1901 Lily E. White," in the lower right corner of the print.

Platinum print of the C.N.R.R. track on an embankment along the Klickitat River. Handwritten inscription on the back of the print reads, "C. and N. R. R. - Klickitat River." Signed, "Lily E. White," in the lower right corner of the print.

Platinum print of an unidentified person standing in a rowboat on the Columbia River. Castle Rock (today known as Beacon Rock) is visible in the distance. Handwritten inscription on the back of the print reads, "Twilight on the Columbia - Castle Rock in the Distance." This photograph has been attributed to both Sarah Hall Ladd and Lily E. White. Signed, "Copyrighted by Lily E. White," in the lower right corner of the print.

Platinum Print of a houseboat moored at the base of Castle Rock (today known as Beacon Rock) on the Columbia River. Handwritten inscription from the back of the print reads, "Castle Rock - Columbia." Signed, "Copyrighted 1902, Lily E. White," in the lower right corner of the print.

Platinum print of Mount Hood taken from the Washington side of the Columbia River with Hood River visible in the foreground. Handwritten inscription from the back of the print reads, "Mt. Hood at Hood River." The print is unsigned but attributed to Lily E. White.

Platinum print of a sandy beach on the shore of the Columbia River with Mitchell's Point visible in the distance. Handwritten inscription on the back of the print reads, "Mitchell Point." Signed, "Lily E. White," in the lower right corner of the print.

Platinum print of mist on a hillside viewed from across the Columbia River. Handwritten inscription on the back of the print reads, "Scarf of Mist - Columbia." This print is sometimes also printed as, "Up the Columbia." Signed, "Lily E. White." in the lower right corner of the print.

Platinum print of the a boat with "Lyle" painted on the back moored along the banks of the Columbia River. Handwritten inscription on the back of the print reads, "Columbia River 10 Miles from the Dalles." The print has also been published as, "Lyle on the Columbia." This photograph has been attributed in publications to both Sarah Hall Ladd and Lily E. White. Signed, "S. H. L.," in the lower right corner of the print.

Platinum print of storm clouds gathering over hills with the Columbia River in the foreground. Handwritten inscription on the back of the print reads, "Storm from the Sea - On the Columbia." Signed, "Copyrighted by Lily E. White," in the lower right corner of the print.

Platinum print of the Klickitat River in Washington. Handwritten inscription on the back of the print reads, "Klickitat River - Washington." Signed, "Lily E. White," in the lower right corner of the print.

Rowboats tied to the back of Lily E. White's houseboat, the Raysark. Likely taken on the the LIttle White Salmon River. A flume or train trestle is visible in the distance of the photograph. Caption from negative sleeve reads, "Our Disappearance for L.W.S., R-13, LW-13."

View of a settlement on the Columbia River between the mouth of the LIttle White Salmon River and the Cascades. Caption from negative sleeve reads, "From L.W.S. to Cascades, R-14, LW-14."

Lily E. White's houseboat, the Raysark with an unidentified person standing on the deck. The ship is decorated with bunting, several American flags, lanterns, and a banner that reads, "Raysark." Likely taken somewhere along the Columbia River. Caption from negative sleeve reads, "Houseboat, R-19, LW-19."

Interior view of one of the cabins on Lily E. White's houseboat, the Raysark. Several photographs of the Columbia Gorge hang on the wall. Caption from negative sleeve reads, "Fireplace Cabin, Raysark, R-21, LW-21."

View of the Columbia River, likely near Hood River. Caption from negative sleeve reads, "Hood River Meadow, R-29, LW-29."

An unidentified person standing on the deck of a boat on the columbia river. Caption on the negative sleeve reads, "Boat, R-31, LW-31." Image note: boat is out of focus.

A man, possibly Charles Elliott Ladd, asleep in a deck chair with a newspaper in his lap. He is on the deck of Lily E. Whites' houseboat, the Raysark. Caption on the negative sleeve reads, "Dozing in a chair on Deck, R-, LW-32."

The gardens at the house of Charles Elliott Ladd and Sarah Hall Ladd. Caption from negative sleeve reads, "Garden, R-39, LW-39."

A group of people and horses pulling a seine (a large fishing net) along the shore of the Columbia River. Beacon Rock is visible in the distance. Caption from negative sleeve reads, "Horses, R-41, LW-41."

A loose page from a scrapbook attributed to Lily E. White. The four photographs on the page depict landscape scenes likely taken around Yosemite National Park. Image note: significant fading and discoloration on prints. Caption from envelope reads, "Prints of Yosemite, S31, LW2-2A."

A loose page from a scrapbook attributed to Lily E. White. The four photographs on the page depict unidentified people posing on rocks likely taken around Yosemite National Park. Image note: significant fading and discoloration on prints. Caption from envelope reads, "Prints of Yosemite, S31, LW2-2A."