Photoset #835 - Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project

Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Photo #7350
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Photo #7351
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Photo #7352
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Photo #7353
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Photo #7354
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project
Photo #7355
Tunnel Boring Machine breaking through a mountain face to finish Arrowhead Tunnel Project