CCC

Rim Rock Drive Tunnel #1 West Lower (Mesa County, Colorado)
Built 1933
Tunnel under Historic Rim Rock Drive on Land
Open

Rim Rock Drive Tunnel #2 West Upper (Mesa County, Colorado)
Built 1933
Tunnel under Historic Rim Rock Drive on Land
Open

Rim Rock Drive Tunnel #3 East (Mesa County, Colorado)
Built 1933
Tunnel under Historic Rim Rock Drive on Land
Open