Northern Pacific Engineering Drawing: Operator's House at Bridge 72.2 at Hoquiam, Washington, prepared in 1964. Burlington Northern File Number 5115, Reference Number 10110, Sheet 002.

Northern Pacific Engineering Drawing: Operator's House at Bridge 72.2 at Hoquiam, Washington, prepared in 1964. Burlington Northern File Number 5115, Reference Number 10111, Sheet 001.

Northern Pacific Engineering Drawing: Depot Oil Conversion on Boilers at Kelso, Washington (also Centralia, Washington, Hoquiam, Washington, Puyallup, Washington and Castle Rock, Washington). Burlington Northern File Number 4934, Reference Number 101, Sheet 001.

Northern Pacific Engineering Drawing: Depot at Hoquiam, Washington, undated. Burlington Northern File Number D-43-1, Reference Number 101.

Northern Pacific Engineering Drawing: Depot at Hoquiam, Washington, undated. Burlington Northern File Number D-43-1, Reference Number 101.

Northern Pacific Engineering Drawing: Depot at Hoquiam, Washington, prepared in 1951. Burlington Northern File Number 4934, Reference Number 10106, Sheet 002.

Northern Pacific Engineering Drawing: Depot at Hoquiam, Washington, prepared in 1946. Burlington Northern File Number 4934-12, Reference Number 10103, Sheet 012.

Northern Pacific Engineering Drawing: Depot at Hoquiam, Washington, prepared in 1921. Burlington Northern File Number D-43-1, Reference Number 10109.

Northern Pacific Engineering Drawing: Depot at Hoquiam, Washington, prepared in 1915. Burlington Northern File Number D-43-1, Reference Number 10106.

Northern Pacific Engineering Drawing: Depot at Hoquiam, Washington, prepared in 1915. Burlington Northern File Number D-43-1, Reference Number 10106.