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Thanks Hol. Anyone recall if any plants in particular had loading facilities for fly ash? Tom ---In CBQ@yahoogroups.com, <holpennywagner@...> wrote : It could have come from any large coal-burning power plant in the area. There are several classes of coal fly ash used in concrete, and the type of fly ash produced would depend upon the source of the coal. Hol Wagner Retired Editor Rocky Mountain Construction magazine To: CBQ@yahoogroups.com From: CBQ@yahoogroups.com Date: Mon, 12 Oct 2015 15:57:29 -0700 Subject: [CBQ] Fly Ash to Dworshak Dam - 1968-1969 I have been wading through NP wheel reports from 1969 and now have over 1,000 cars interchanged to the Q in Minneapolis in 1969. What caught my attention was a high number of empty ACF 2,970 cu ft covered hoppers being interchanged. There were only 100 of these cars in number series 75000-75099 but dozens of these cars were interchanged with the Q. So I went back and checked the westbound NP wheel reports and found that these cars were heading west loaded with fly ash bound for and industry named "DWODAMCON". The interchange point was the Camas Prairie RR in Arrow, ID. Knowing fly ash is used in major concrete projects, a little industrial archeology turned up the Dworshak Dam project in Idaho which started in 1966 with major concrete work beginning in 1968. So I know now what all those covered hoppers were used for. __._,_.___ Posted by: thommack@yahoo.com __,_._,___ |