Northern Pacific Engineering Drawing: Boilers for Northern Pacific Terminal Company Replace Boilers at Portland, Oregon, prepared in 1963. Burlington Northern File Number 5250, Reference Number 10107, Sheet 002.

Northern Pacific Engineering Drawing: Boilers for Northern Pacific Terminal Company Replace Boilers at Portland, Oregon, prepared in 1965. Burlington Northern File Number 5250, Reference Number 10105, Sheet 010.

Northern Pacific Engineering Drawing: Boilers for Northern Pacific Terminal Company Replace Boilers at Portland, Oregon. Burlington Northern File Number 5251, Reference Number 101, Sheet 012.

Northern Pacific Engineering Drawing: Freight House at Portland, Oregon, prepared in 1904. Burlington Northern File Number 285-48, Reference Number 10107, Sheet 010.

Northern Pacific Engineering Drawing: Freight House at Portland, Oregon, prepared in 1904. Burlington Northern File Number 285-48, Reference Number 10107.

Northern Pacific Engineering Drawing: Freight House at Portland, Oregon, prepared in 1906. Burlington Northern File Number 9853, Reference Number 10110, Sheet 018.

Northern Pacific Engineering Drawing: Freight House at Portland, Oregon, prepared in 1906. Burlington Northern File Number 9853, Reference Number 10110, Sheet 005.

Northern Pacific Engineering Drawing: Freight House at Portland, Oregon, prepared in 1906. Burlington Northern File Number 9853, Reference Number 10110, Sheet 002.

Northern Pacific Engineering Drawing: Freight House at Portland, Oregon, prepared in 1906. Burlington Northern File Number 285-48, Reference Number 10112, Sheet 008.

Northern Pacific Engineering Drawing: Freight House at Portland, Oregon, prepared in 1906. Burlington Northern File Number 285-48, Reference Number 10111, Sheet 006.