Date
1956?Keywords
Underground mining -- ColoradoViews -- Underground
Mine drainage -- Colorado -- Lake County
Mine timbering -- Colorado -- Lake County
Yak Tunnel (Colo.)
Metadata
Show full item recordAbstract
Looking down the Yak Tunnel showing shaft supports and rail lines.Caption reads: "Yak Tunnel - showing new type timbering & 90 pound rails. Painted with acid resistent paint."