Manuscript letters from John Hailey, librarian and secretary of the State Historical Society of Idaho, to W. H. (William Henderson) Packwood, January 30 and February 27, 1912, regarding Northwest history and early Oregon figures.

The Oregon Lewis and Clark Heritage Foundation was formed in 1969 and succeeded the work of the Lewis and Clark Trail Commission. It was a volunteer organization with the purpose of stimulating public interest in matters relating to Lewis and Clark. Collection includes correspondence; symposium records and materials; Fort Clatsop and Amax Resolution, 1975; and posters and maps.

Typescript petition from pioneers of the state of Oregon to Congress, circa 1850-1900, requesting that a monument to Lewis and Clark be erected at Fort Clatsop in honor of their encampment there in 1805-1806.