Burlington Northern Engineering Drawing: Renew Circle Rail, Turntable (formerly Great Northern), Great Falls, Montana, Line Segment 353. Sheet 239 - 3019 - 31, 1972.

Great Northern Engineering Drawing: Boiler House at Whitefish, Montana, prepared in 1958. Burlington Northern File Number SK-2088, Reference Number 10108.

Great Northern Engineering Drawing: Boiler House, Metal at Whitefish, Montana, prepared in 1958. Burlington Northern File Number 9603-1, Reference Number 10108.

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.