Content Description From the Collection: The Confluence Project Records consist of administrative files, project files, education files, press clippings, and audiovisual materials. The records span the years 1996 to 2016, and document the development of the Confluence Project from its early planning stages through the construction of the earthworks at Cape Disappointment State Park, Vancouver Land Bridge, Sandy River Delta, Sacajawea State Park, and Chief Timothy State Park. Although it has not been built, there is also...