Great Northern Engineering Drawing: unnamed structure at South Klamath, Oregon, prepared in 1957. Burlington Northern File Number 2K-2066, Reference Number 10107.

Great Northern Engineering Drawing: unnamed structure at South Klamath, Oregon, prepared in 1960. Burlington Northern File Number SK-2126, Reference Number 10107.

Great Northern Engineering Drawing: unnamed structure at South Klamath, Oregon, prepared in 1976. Burlington Northern File Number 1217-6, Reference Number 10103.

Great Northern Engineering Drawing: Yard Office and Tower at South Klamath, Oregon, prepared in 1956. Burlington Northern File Number 9556-4, Reference Number 10105.

Great Northern Engineering Drawing: Yard Office and Tower at South Klamath, Oregon, prepared in 1956. Burlington Northern File Number 9556-9, Reference Number 10105.

Great Northern Engineering Drawing: Yard Office and Tower at South Klamath, Oregon, prepared in 1956. Burlington Northern File Number 9556, Reference Number 10112, Sheet E-1.

Great Northern Engineering Drawing: Yard Office and Tower at South Klamath, Oregon, prepared in 1956. Burlington Northern File Number 9556-SD1, Reference Number 10111, Sheet 001.

Great Northern Engineering Drawing: Yard Office and Tower at South Klamath, Oregon, prepared in 1956. Burlington Northern File Number 9556-SD3, Reference Number 10112, Sheet 003.

Great Northern Engineering Drawing: Yard Office and Tower at South Klamath, Oregon, prepared in 1956. Burlington Northern File Number 9556-6, Reference Number 10105.

Great Northern Engineering Drawing: Yard Office and Tower at South Klamath, Oregon, prepared in 1956. Burlington Northern File Number 9556-9, Reference Number 10105.