Collection consists of 18 photographs of Portland, Oregon, taken circa 1890. The primary subject of the photographs is flooded streets in downtown and inner East Portland during the 1890 flood. Other subjects depicted in the photographs include cable cars, the bark Coloma, Grace Methodist Episcopal Church, the Riverside Hotel, the Morrison Bridge, and other unflooded street scenes from Portland.

Photographs of the family of Portland businessman Simon Benson and his second wife, Pamelia Loomis, including sons Chester Simon Benson and Gilbert Thereon Benson, and grandchildren Gilbert Thomas Benson and Margaret Benson (later Margaret Maradudin).

Approximately 450 color slides depicting scenes in downtown Portland, Oregon, and elsewhere in Oregon.

Album containing 34 photographs, primarily depicting scenes in Portland, Oregon, and unidentified people. Subjects include the Skidmore Fountain, Washington Park, the First Congregational Church of Portland, ships, rail cars, aerial views of Portland, and unidentified buildings and places.

Pages from a photograph album that include images of the harbor in Portland, Oregon; the Battleship Oregon and other ships; construction of the Steel and Broadway bridges; Elks (B.P.O.E.) convention festivities in Portland; the campus of Oregon State University; the Columbia River Gorge; and family and friends.

Small collection consisting primarily of black and white panoramic photographs: one of Portland, Oregon, and five group portraits of employees of the Jones Lumber Company in Portland. Also included is a color aerial photograph of the Valsetz Lumber Company in Valsetz, Oregon.

Collection consists of 12 black and white photographs, primarily of buildings and grounds at he 1905 Lewis and Clark Exposition in Portland, Oregon, as well as a few images of unidentified visitors to the exposition.

Eighteen photographic postcards, color and black and white, with Oregon scenes, including hotels, buildings and parks in Portland, and scenes along the Columbia River.

Poster featuring a printed half-tone panoramic photograph of Portland, Oregon. The photograph was taken from the east side of the Willamette River and shows the river, steamboats, bridges, and waterfront buildings on the west side of the river.

Lars Christensen Henrichsen (1839-1924) was a Portland jeweler and photographer. This collection is made up primarily of glass plate negative photographs taken by or attributed to Henrichsen between 1895 and 1910. Primary subjects depicted in the collection include the Portland skyline, Mount St. Helens, Mount Hood, the Lewis and Clark Centennial Exposition, the Oregon Coast, and the Columbia River Gorge.