Show kg A oll IU oil 4 if X T P aa az WA t rat or at WA 21 HOLE A in the construction of flaming gorge dam wax was reached march 2 when the diversion was daylight leX at al the outlet or downstream portal the 1100 foot long tunnel was excava excavated led to a 26 20 loot inside diameter the entire tunnel will be kinod at an inside diameter of 23 feet A total of 70 employees were engaged in the excavation with coker company contractor drilling began on the tunnel face fac at the inlet or upstream portal january 5 3 the massico tunnel will divert the green niver during ill the period of the dam bureau of reclamation photo |