The PB&JRR:
Retaining Wall

October 8, 1893^*

We finally decided to level the track in this area by doing a little cut in the hillside. There was enough of a cut to require a functional retaining wall. Dad built the wall out of redwood. Behind the wall (between it and the uphill dirt) is a couple inches of concrete. In that concrete is embedded the heads of nails half-pounded into the backside of the wall, and reebar that goes well down into the ground. The plastic pipes actually go through for drainage.

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[^*For actual year, add 107.]

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