How did the workers live and work through the winter while building the Summit Tunnel?
by digging snow tunnels from their shelters to the tunnel

by taking frequent trips into nearby towns

by building sturdy cabins

by relying on lamps to light the tunnels where they lived and worked

Respuesta :

Answer:

1. by digging snow tunnels from their shelters to the tunnel

2. by relying on lamps to light the tunnels where they lived and worked

Explanation:

Answer:

1 and 4

Explanation: