Pacific service magazine . Close view of the diversion dam at Pit 3. Picture shows concrete plant, dam, apron, baffle piers and side walls to protect banks. Note boom chute lines with counterweight sections. Tunnel boring nearing completion. Air shovelsmeet in headings 1 and 2 Rock Creek Camp for miners at headingsNos. 2 and 3, Adit Camp for headingsNos. 4 and 5, and thePower-House Camp forthe power plant and head-ing No. 6. At these campsand at the tunnel portalswere assembled the usualshops, compressor andblower plants. The building of a tem-porary timber crib diver-sion dam and of a largefl
Pacific service magazine . Close view of the diversion dam at Pit 3. Picture shows concrete plant, dam, apron, baffle piers and side walls to protect banks. Note boom chute lines with counterweight sections. Tunnel boring nearing completion. Air shovelsmeet in headings 1 and 2 Rock Creek Camp for miners at headingsNos. 2 and 3, Adit Camp for headingsNos. 4 and 5, and thePower-House Camp forthe power plant and head-ing No. 6. At these campsand at the tunnel portalswere assembled the usualshops, compressor andblower plants. The building of a tem-porary timber crib diver-sion dam and of a largeflume to divert the riverfrom its channel was com-pleted by August of thisyear. Since that date thefoundations of the per-manent dam have been ex-cavated and nearly 60,000of the total of 80,000cubic yards of concrete inthe dam have been work will proceedmore slowly from now on, I Pacific Service Magazine 75 due to cold weather conditions and to thedemand for our quarry output of crushedrock for tunnel lining. By
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Keywords: ., bookcentury1900, bookdecade1910, bookidpacificservi, bookyear1912
