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

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:

it should definitely consists of the total amount of the entry which hindered the diary of how most conflictions and opinions in the 1800s experiences.

answer; i believe the correct answer is (the willamete valley);