Great Northern Engineering Drawing: Boiler Room Addition at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755, Reference Number 10108, Sheet M-1.

Great Northern Engineering Drawing: Boiler Room Addition at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755, Reference Number 10108, Sheet S19.

Great Northern Engineering Drawing: Boiler Room Addition Angles Mk23A1 at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet S23.

Great Northern Engineering Drawing: Boiler Room Addition Header Angles Mk21A at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet 1S21.

Great Northern Engineering Drawing: Boiler Room Addition Edge Angle Mk17N at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet 1S17.

Great Northern Engineering Drawing: Boiler Room Addition Edge Angle Mk10N at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet 1S10.

Great Northern Engineering Drawing: Boiler Room Addition Edge Angle Mk9N1 at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet S9.

Great Northern Engineering Drawing: Boiler Room Addition Beam Mk 7-B1 at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet S7.

Great Northern Engineering Drawing: Boiler Room Addition Beam Mk5-B1 at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet S5.

Great Northern Engineering Drawing: Boiler Room Addition Beam Mk4-B1 at Havre, Montana, prepared in 1970. Burlington Northern File Number 9755-9795, Reference Number 10108, Sheet S4.