Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1969. Burlington Northern File Number 9436-M1, Reference Number 10101.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1969. Burlington Northern File Number 9436-M2, Reference Number 10102.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1968. Burlington Northern File Number 9436-2, Reference Number 10106.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1968. Burlington Northern File Number 9436-9, Reference Number 10106.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1958. Burlington Northern File Number 9436-7, Reference Number 10105.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1953. Burlington Northern File Number 9436-6, Reference Number 10107.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1952. Burlington Northern File Number 9436-5, Reference Number 10107.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1952. Burlington Northern File Number 9436, Reference Number 10108, Sheet 001.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1952. Burlington Northern File Number 9436, Reference Number 10107, Sheet E-1.

Great Northern Engineering Drawing: Yard Office at Great Falls, Montana, prepared in 1952. Burlington Northern File Number 9436, Reference Number 10105.