Spokane, Portland, and Seattle Railway Engineering Drawing: unnamed structure at South Junction, Oregon, prepared in 1981. Burlington Northern File Number 12030, Reference Number 10109, Sheet A-1.

Burlington Northern Engineering Drawing: unnamed structure at South Junction, Oregon, prepared in 1984. Burlington Northern File Number 84116, Reference Number 10108, Sheet 003.

Burlington Northern Engineering Drawing: unnamed structure at South Junction, Oregon, prepared in 1984. Burlington Northern File Number 84116, Reference Number 10108, Sheet 004.

Burlington Northern Engineering Drawing: unnamed structure at South Junction, Oregon, prepared in 1984. Burlington Northern File Number 84116, Reference Number 10108, Sheet 002.