Burlington Northern Engineering Drawing: Generator Room Details at Longview, Washington. Burlington Northern File Number 9870, Reference Number 101.

Burlington Northern Engineering Drawing: Exhaust Plenum Plan at Longview, Washington. Burlington Northern File Number 9870, Reference Number 101.

Burlington Northern Engineering Drawing: Roof Framing Plan at Longview, Washington. Burlington Northern File Number 9870, Reference Number 101.

Burlington Northern Engineering Drawing: unnamed structure at Longview, Washington, undated. Burlington Northern File Number 9870, Reference Number 101.

Burlington Northern Engineering Drawing: unnamed structure at Longview, Washington, undated. Burlington Northern File Number 9870, Reference Number 101.

Burlington Northern Engineering Drawing: unnamed structure at Longview, Washington, undated. Burlington Northern File Number 9870, Reference Number 101.

Burlington Northern Engineering Drawing: unnamed structure at Longview, Washington, undated. Burlington Northern File Number 9870, Reference Number 101.

Burlington Northern Engineering Drawing: unnamed structure at Longview, Washington, undated. Burlington Northern File Number 9870, Reference Number 101.

Northern Pacific Engineering Drawing: unnamed structure at Longview, Washington, prepared in 1972. Burlington Northern File Number 10,022, Reference Number 10112.