Show Not a Medieval Fortress s o r p w i Y i S x x 1 This loot looks s lII like e n a part of a n fortress of the Middle a ages es but In reality It Is t D a. a DIew view at Boulder dam looking obliquely along the edge of Arizona spillway The view shows the piers with 10 16 by foot lOU drum gates ates In lowered position These Immense steel gates can cnn be raised or lowered to decrease or Increase the flow How of water over o the spillway Boulder dam Is now built to a n height of feet above e be bedrock and will reach rench Its final height of or feet late In February at which time It can enn begin to store water |