Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1939. Burlington Northern File Number B-560, Reference Number 10111.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number 8030-24, Reference Number 10109, Sheet 024.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number 8030-26, Reference Number 10112, Sheet 026.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number A-247, Reference Number 10110.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number SK-5, Reference Number 10108.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number A-265, Reference Number 10108.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number SK-11, Reference Number 10110.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number 8030-25, Reference Number 10109, Sheet 025.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number , Reference Number 10110, Sheet 001.

Great Northern Engineering Drawing: Power House at Havre, Montana, prepared in 1945. Burlington Northern File Number A-266, Reference Number 10108.