Great Northern Engineering Drawing: Toilet and Service Building at Somers, Montana, prepared in 1927. Burlington Northern File Number 8691-1, Reference Number 10111, Sheet 001.

Great Northern Engineering Drawing: Tie Treating Plant at Somers, Montana, prepared in 1971. Burlington Northern File Number 9788-3, Reference Number 10107, Sheet 002.

Great Northern Engineering Drawing: Tie Treating Plant at Somers, Montana, prepared in 1971. Burlington Northern File Number 9788-4, Reference Number 10109, Sheet 001.

Great Northern Engineering Drawing: Tie Treating Plant at Somers, Montana, prepared in 1970. Burlington Northern File Number 9788-E1, Reference Number 10110.

Great Northern Engineering Drawing: Tie Treating Plant at Somers, Montana, prepared in 1970. Burlington Northern File Number 9788-E1, Reference Number 10110.

Great Northern Engineering Drawing: Tie Treating Plant at Somers, Montana, prepared in 1970. Burlington Northern File Number 9788-5, Reference Number 10106.

Great Northern Engineering Drawing: Tie Treating Plant at Somers, Montana, prepared in 1970. Burlington Northern File Number 9788-2, Reference Number 10105.