Day 127: 334 days of photos

Picture three from Portal 31 tour, making to roof safer.

Published by Chico’s Mom

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2 thoughts on “Day 127: 334 days of photos

  1. So that’s what they call square cut timbering. The idea is you put a wood frame around the tunnel, and then fill in the gaps with slag (rock and other debris). It was used a lot in Virginia City. That’s why they had to build the flumes (water canals to bring the wood for the timbering down from Lake Tahoe.) They cut down a crapload of pine, I don’t know how much but it was a lot, and it’s still there, underground. Nobody really knows the extent of it. There are no maps.

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