Heart Butte Dam, Heart Butte Unit, Missouri River Basin Project

acre-feet aggregate APPENDIX AUG SEPT OCT AXIS backfill BUREAU OF RECLAMATION Butte Unit cement CLAY compaction contractor control house COST crest cross CROSSARM cubic foot cubic yards curves cut-off trench Cylinder dike downstream slope drain elevation embankment embankment settlement equipment FEB MAR APR fill density forms Fort Union formation foundation gage gate chamber Glen Ullin grade Heart Butte Dam Heart River High Pressure Hydraulic Gate Hanger inches inlet structure INTERIOR BUREAU invert irrigation JAN FEB MAR JULY AUG SEPT JUNE JULY AUG layer MANDAN Material Gradation MISSOURI RIVER BASIN moisture North Dakota Northeast borrow area OCT NOV DEC percent piezometer tips pipe placement pump reinforcing steel reservoir RICHARDTON riprap RIVER BASIN PROJECT rock RUNOFF sand and gravel sandstone SEPT OCT NOV shovel shown in figure SIEVE ANALYSIS SILT silty Spillway and Outlet spillway conduit station tamping trucks tubing Union formation upstream well-point