List of tunnels in Pittsburgh
Tunnels
gollark: What? No. The rational choice is ALWAYS defection if you're only playing once. It's strictly better.
gollark: It isn't built with that assumption. The government will <:bees:724389994663247974> you if they determine you're not paying sufficient tax.
gollark: But if that breaks and some can start defecting, they'll be selected for.
gollark: Ideatic.
gollark: In the not iterated game.
See also
References
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Wikimedia Commons has media related to Tunnels in Pittsburgh. |
- Davis, Christine; Kurtik, Frank. "Cork Run Tunnel" (PDF). Historic American Engineering Record. Retrieved 27 January 2014.
- http://pghbridges.com/pittsburghE/0585-4477/panhandle_tun.htm
- http://www.columbia.edu/~brennan/pitts/coal.html
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