Voight, Richard L., Jr.Wetzel, Joseph M.Sinokrot, BasharGrundhoffer, Jeffery F.2011-08-302011-08-301989-09-15https://hdl.handle.net/11299/114165Stone and Webster Engineering Corporation has prepared a preliminary hydraulic design of the Colorado River Water Supply Project for the UNOCAL Corporation. Of particular concern was the area extending from a proposed pumping station to a proposed grit basin on the Colorado River near Grand Valley. The grit basin is used as a settling pond to remove the sediment carried by the river.en-USReport