Collection consists of 1 drawing on 1 sheet of the Forestry Building for the 1905 Lewis and Clark Centennial Exposition in Portland, Oregon. The building was described as the world's largest log cabin or the Timber Temple. It was constructed of unhewn logs, the largest of which were 54 feet long and five feet wide, and inside were exhibits of wildlife dioramas and Oregon forest products.

Album containing black and white photographs of personnel, buildings, grounds, and events at the 1905 Lewis and Clark Centennial Exposition in Portland, Oregon. The album belonged to William Russell MacKenzie, auditor of the exposition.