McDonald Tunnel McDonald Tunnel Grant 5617 Steeple Rock
Raton Tunnel Raton Tunnel Colfax 7808 Raton
Tunnel Number 2 Tunnel Number 2 San Miguel 4472 Monument Point
Tunnel Number 3 Tunnel Number 3 San Miguel 4770 Carpenter Mesa SW
Tunnel Number 4 Tunnel Number 4 San Miguel 4459 Carpenter Mesa SW
Azotea Tunnel Azotea Tunnel Rio Arriba 8113 Chromo Mountain
Niagara Tunnel (historical) Niagara Tunnel (historical) Grant 5961 Tyrone
Bluebell Tunnel Bluebell Tunnel Grant 6785 Santa Rita Mine
Davidson Tunnel Davidson Tunnel Grant 6827 Santa Rita Mine
Dewey Tunnel Dewey Tunnel Grant 6932 Santa Rita Mine
Gilchrist Tunnel Gilchrist Tunnel Grant 7093 Santa Rita Mine
Hanover Tunnel Number 2 Hanover Tunnel Number 2 Grant 6739 Santa Rita Mine
Mason Tunnel Mason Tunnel Grant 6522 Santa Rita Mine
Modoc Tunnel (historical) Modoc Tunnel (historical) Grant 6693 Santa Rita Mine
Snowflake Tunnel Snowflake Tunnel Grant 6808 Santa Rita Mine
Strike Tunnel Strike Tunnel Grant 6522 Santa Rita Mine
Union Hill Portal Union Hill Portal Grant 6539 Santa Rita Mine
United States Tunnel United States Tunnel Grant 6516 Santa Rita Mine
Azotea Tunnel Azotea Tunnel Rio Arriba 7543 Sawmill Mesa