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Blue cables are the Backbone for the network.
White translucent lines are the water pipes made of PEXS.
Silver pipes are the HVAC lines to the different rooms.
White Pipes are the drainage lines
Te Devils backbone was an ecellent road to travel. Almost fifty miles and we saw maybe five cars tops! Plus the views (if you had the balls to look were amazing). Big groves of aspen all over
Devil’s Backbone Trail. A couple of stubs from steel pipe stanchions are visible in the foreground.These supported cables that hikers could hold on to. I believe these where placed by the Forest Service in the 1950s, but time and the elements have taken their toll. Meanderthals hike up the Devil’s Backbone Trail on Labor Saturday of Labor Day Weekend, August 31, 2019.
Description: Albert J. Perkins on Devil’s Backbone on Mt. San Antonio, 1930.
Photographer: H.R. “Bob” Sturdevant
Donor: H.R. “Bob” Sturdevant
Original: Black and white print, in Sturdevant photo album.
Credit: Sturdevant Collection, Sierra Club-Angeles Chapter Archives
Photo ID (file name): Sturdevant 101
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