Wikimedi'Òc

View showing conditions at outlet portals of Diversion tunnels Nos. 3 and 4 after diversion. Temporary backwash dike... - NARA - 293769.tif - US National Archives bot

Papago Freeway Tunnel.jpg - Visitor7

Interstate 10 - Papago Freeway Tunnel - Deck Park Tunnel at Night.2010.jpg - Onel5969

VIEW LOOKING ALONG BRIDGE TOWARD TUNNEL OF SOUTH APPROACH. MAIN CABLE TUNNELS ALSO SHOWN - Kaibab Trail Suspension Bridge, Spanning Colorado River, Grand Canyon, Coconino County HAER ARIZ,3-GRACAN,3-3.tif - Fæ

TUNNEL WORKERS AT SOUTH PORTAL OF TUNNEL. NOTE RESPIRATORS AND GOGGLES. AIR LINE FROM COMPRESSOR IN FOREGROUND - Kaibab Trail Suspension Bridge, Spanning Colorado River, Grand HAER ARIZ,3-GRACAN,3-15.tif - Fæ

COMPLETED STRUCTURE SHOWING TUNNEL AT SOUTH APPROACH - Kaibab Trail Suspension Bridge, Spanning Colorado River, Grand Canyon, Coconino County, AZ HAER ARIZ,3-GRACAN,3-2.tif - Fæ

Downstream end of diversion tunnel around east end of Humbug Creek Diversion Dam. Photographer James Eastwood, 1986. Source- Salt River Project. - Waddell Dam, On Agua Fria HAER ARIZ,7-PHEN.V,5-51.tif - Fæ

Cross-Border Tunnel Discovered in Nogales, Arizona (29366804785).jpg - Vanished Account Byeznhpyxeuztibuo

Cross-border Tunnel Attempt Stopped in Nogales (8518624446).jpg - Vanished Account Byeznhpyxeuztibuo

Cross-Border Tunnel Attempt Stopped in Nogales (8517511463).jpg - Vanished Account Byeznhpyxeuztibuo

A Tunnel in the Dense Vegetation - panoramio.jpg - Panoramio upload bot

Interstate 10 @ 3rd Avenue HOV On-Ramp - panoramio.jpg - Panoramio upload bot

Superior-Claypool Tunnel-1926-7.jpg - Marine 69-71

Superior-Claypool Tunnel-1926-5.jpg - Marine 69-71

Unfinished cross-border tunnel discovered in San Luis, Arizona.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50252355872.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50251514808.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50252169301.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50251512673.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50252354832.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50252353917.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50252353422.jpg - Ser Amantio di Nicolao

Unfinished cross-border tunnel discovered in San Luis, Arizona - 50252353162.jpg - Ser Amantio di Nicolao

200818-H-D0456-1018.jpg - Ser Amantio di Nicolao

Cañón de Chelly 1989 22.jpg - LBM1948

Abandoned railroad tunnel - September 2009.jpg - LostplanetKD73