Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1929. Burlington Northern File Number 8727-13, Reference Number 10102, Sheet 007.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1929. Burlington Northern File Number 8727-15, Reference Number 10102, Sheet 009.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1929. Burlington Northern File Number 8727-10, Reference Number 10102, Sheet 004.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1929. Burlington Northern File Number 8727-11, Reference Number 10102, Sheet 005.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1929. Burlington Northern File Number 8727-12, Reference Number 10102, Sheet 006.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1931. Burlington Northern File Number 8727-1, Reference Number 10111.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1933. Burlington Northern File Number 8711, Reference Number 10109, Sheet 207.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1933. Burlington Northern File Number 8711, Reference Number 10109, Sheet 207.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1933. Burlington Northern File Number 8727-32, Reference Number 10109.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1933. Burlington Northern File Number 8711, Reference Number 10109, Sheet 207.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1933. Burlington Northern File Number 8711, Reference Number 10109, Sheet 207.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1933. Burlington Northern File Number 8711, Reference Number 10109, Sheet 207.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1933. Burlington Northern File Number 8711, Reference Number 10110, Sheet 207.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1934. Burlington Northern File Number 8727-27, Reference Number 10101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1934. Burlington Northern File Number 8727-28, Reference Number 10101.

Great Northern Engineering Drawing: Power House Additional Piling at Interbay, Washington, prepared in 1934. Burlington Northern File Number 8711, Reference Number 101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1934. Burlington Northern File Number 8727-29, Reference Number 10101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1934. Burlington Northern File Number 8727-33, Reference Number 10101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1934. Burlington Northern File Number 8727-30, Reference Number 10101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1934. Burlington Northern File Number 8727-31, Reference Number 10101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1948. Burlington Northern File Number 8727-4, Reference Number 10109.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1948. Burlington Northern File Number 8727-3, Reference Number 10109.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1948. Burlington Northern File Number 8727-2, Reference Number 10112.

Great Northern Engineering Drawing: Power House at Interbay, Washington, prepared in 1958. Burlington Northern File Number 8727-34, Reference Number 10102.

Great Northern Engineering Drawing: Power House at Interbay, Washington, undated. Burlington Northern File Number 8727-6, Reference Number 101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, undated. Burlington Northern File Number 8727, Reference Number 101.

Great Northern Engineering Drawing: Power House Oil Furnace at Interbay, Washington. Burlington Northern File Number 8727, Reference Number 101.

Great Northern Engineering Drawing: Power House Oil Furnace at Interbay, Washington. Burlington Northern File Number 8727, Reference Number 101.

Great Northern Engineering Drawing: Power House Oil Furnace at Interbay, Washington. Burlington Northern File Number 8727, Reference Number 101.

Great Northern Engineering Drawing: Power House at Interbay, Washington, undated. Burlington Northern File Number 8727, Reference Number 101.