Northern Pacific Engineering Drawing: Subway Under 7th Street at Olympia, Washington, prepared in 1913. Burlington Northern File Number 272-30, Reference Number 10110.

Northern Pacific Engineering Drawing: Subway Under 7th Street , Detail of Reinforcing at Olympia, Washington, prepared in 1913. Burlington Northern File Number 272-30, Reference Number 10108, Sheet 003.

Northern Pacific Engineering Drawing: Subway Under 7th Street - General Details at Olympia, Washington, prepared in 1913. Burlington Northern File Number 272-30, Reference Number 10105, Sheet 002.

Northern Pacific Engineering Drawing: Subway Under 7th Street at Olympia, Washington, prepared in 1913. Burlington Northern File Number 272-30, Reference Number 10104.

Northern Pacific Engineering Drawing: Subway Under 7th Street at Olympia, Washington, prepared in 1914. Burlington Northern File Number 272-30, Reference Number 10106.

Northern Pacific Engineering Drawing: Subway Under 7th Street at Olympia, Washington, undated. Burlington Northern File Number 272-30, Reference Number 101.

Northern Pacific Engineering Drawing: Unloading Platform at Olympia, Washington, prepared in 1962. Burlington Northern File Number 5147, Reference Number 10108, Sheet 001.

Northern Pacific passenger train, Casey Jones Excursions special, approaches a telltale near Olympia, Washington, on December 8, 1957. Class W-3 Mikado-type steam locomotive and train ran Seattle to Centralia and return on December 7 and 8, last runs of steam power on the NP Tacoma Division. Photo by Jerry Hanson, J.M. Fredrickson collection. Other Subject Classes: passenger train, steam locomotive, telltale

Northern Pacific passenger train, Casey Jones Excursions special, emerges from the tunnel under downtown Olympia, Washington, on December 8, 1957. Class W-3 Mikado-type steam locomotive and train ran Seattle to Centralia and return on December 7 and 8, last runs of steam power on the NP Tacoma Division. Photo by Jerry Hanson, J.M. Fredrickson collection. Other Subject Classes: passenger train, steam locomotive, tunnel, telltale

Northern Pacific passenger train, Casey Jones Excursions special, crosses the fill and drawbridge over Capital Lake at Olympia, Washington, on December 8, 1957. Class W-3 Mikado-type steam locomotive and train ran Seattle to Centralia and return on December 7 and 8, last runs of steam power on the NP Tacoma Division. Photo by Jerry Hanson, J.M. Fredrickson collection. Other Subject Classes: passenger train, steam locomotive, bridge