Trenton Dam: Constructed 1949-1953

abutment aggregate APPENDIX base basin bids blanket borrow area bridge canal outlet capacity cement channel CM CM CM completed concrete conduit consisted construction Continued contract contractor control house cost crest cubic yards cutoff trench designed determining discharge downstream drains earth elevation embankment ENGiNEER equipment excavation extend feet Figure flood floor forms foundation Furnishing gate chamber gravel head highway hoist holes horizontal inches included indicated installed joints layer length loads located Lump material maximum mixing Nebr obtained operation percent pipe placed plant plate pounds pressure railroad reinforcement relocation reservoir water surface riprap river river outlets rock rv rv sand shale shown side slope specifications spillway square station steel stilling stresses structure studies supply tests thickness tion Trenton Dam trucks Unit upstream vertical walls weight