Editing Cascade Tunnel (section)

== External links ==
{{Commons category}}
* [https://babel.hathitrust.org/cgi/pt?id=mdp.39015024546502&view=1up&seq=48 Scientific American n.s. v.137 1927.] Scientific American, July 1927 - America's Longest Tunnel.
* [http://digitalcollections.lib.washington.edu/cdm/search/collection/pickett/searchterm/construction%20tunnel/field/descri/mode/all/conn/and/cosuppress/ University of Washington Libraries Digital Collections&nbsp;– Lee Pickett Photographs] Over 1400 photographs documenting scenes from Snohomish, King and Chelan Counties in Washington State from the early 1900s to the 1940s. Includes images of the Cascade Tunnel construction.
* [http://www.gngoat.org/east_portal.htm Cascade Tunnel # 15]&nbsp;— Pictures and details of the "Fanhouse" at the east portal of the tunnel
* [https://web.archive.org/web/20120215225757/http://www.vintageradioplace.com/ra/sametime080720.ram Radio Broadcast of the 1929 Cascade Tunnel Dedication]
*{{ citation |chapter-url=http://www.railwaywondersoftheworld.com/cascade-tunnel.html |chapter= Tunnelling against time |title=Railway Wonders of the World |year =1936 |pages=47–52 |editor-first=Clarence |editor-last=Winchester }} illustrated description of the construction of the second Cascade tunnel

{{Authority control}}

[[Category:Railroad tunnels in Washington (state)]]
[[Category:Great Northern Railway (U.S.) tunnels]]
[[Category:BNSF Railway tunnels]]
[[Category:Transportation buildings and structures in Chelan County, Washington]]
[[Category:Electric railways in Washington (state)]]
[[Category:Transportation buildings and structures in King County, Washington]]
[[Category:Tunnels completed in 1900]]
[[Category:Tunnels completed in 1929]]
[[Category:Railways with Zig Zags]]