Great Northern Engineering Drawing: Signal Maintainer's and Motor Car House at Frazer, Montana, prepared in 1957. Burlington Northern File Number 9577-1, Reference Number 10104.

Great Northern Engineering Drawing: Signal Maintainer's and Motor Car House Motor Car Building at Fairchild, Washington, prepared in 1968. Burlington Northern File Number 9645-1, Reference Number 10106.

Great Northern Engineering Drawing: Signal Maintainer's and Motor Car House at Fairchild, Washington, prepared in 1965. Burlington Northern File Number 9645-M1, Reference Number 10104.

Great Northern Engineering Drawing: Signal Maintainer's and Motor Car House Material Building Details at Fairchild, Washington, prepared in 1964. Burlington Northern File Number 9576-2, Reference Number 10110.

Great Northern Engineering Drawing: Signal Maintainer's and Motor Car House at Eureka, Montana, prepared in 1949. Burlington Northern File Number 9358-1, Reference Number 10109.

Great Northern Engineering Drawing: Signal Maintainer Foot s House, 16 Foot X 36 Foot Metal Standard Plans at Barnesville, Minnesota (also Hillyard, Washington and Cheney, Washington), prepared in 1957. Burlington Northern File Number 7445-1, Reference Number 10103, Sheet 001.

Great Northern Engineering Drawing: Signal Maintainer and Track Forces Building, Metal 20 Foot X 56 Foot Electrical Material Building at Harlem, Montana (also Brookston, Minnesota), prepared in 1967. Burlington Northern File Number 9665-E1, Reference Number 10109.

Great Northern Engineering Drawing: Signal Maintainer and Track Forces Building, Metal 20 Foot X 56 Foot at Harlem, Montana (also at Brookston, Minnesota), prepared in 1964. Burlington Northern File Number 9665-M1, Reference Number 10110.

Great Northern Engineering Drawing: Signal Maintainer and Track Forces Building, Metal 20 Foot X 56 Foot Standard Material Building at Harlem, Montana (also Brookston, Minnesota), prepared in 1964. Burlington Northern File Number 9665-1, Reference Number 10108.

Great Northern Engineering Drawing: Signal Maintainer and Motor Car Building, 20 Foot X 60 Foot at Edmonds, Washington, prepared in 1967. Burlington Northern File Number 9689-M1, Reference Number 10101.