teotwaki
Excelsior!
Shoemaker Canyon, Angeles National Forest
Full story here: http://suntothenorth.blogspot.com/2015/12/lost-tunnels-of-angeles-national-forest.html
Tunnel#1
South portal
Tunnel#2
Southwest portal
Full story here: http://suntothenorth.blogspot.com/2015/12/lost-tunnels-of-angeles-national-forest.html
Tunnel#1
South portal
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Tunnel#2
Southwest portal