Talk:Rays Hill Tunnel/sources

Sources for WikiVoices episode

 * Abandoned Turnpike @ Jeff Kitsko's Pennsylvania Highways
 * 1940 Pennsylvania Turnpike Map (Western Section)
 * 1940 Pennsylvania Turnpike Map (Eastern Section)
 * The Pennsylvania Turnbike - The Washington Post
 * Tunnels are a Rich Part of Turnpike History
 * Cyclists await a highway in the wilds
 * Cycling: Tighter security near Confluence dam sends cyclists in search of new campsite
 * Over Six Miles of Tunnels
 * 3 New Tunnels To Open on Turnpike
 * PA Opening 3 Tunnels
 * Pennsylvania Turnpike @ Jeff Kitsko's Pennsylvania Highways