Restricted areas at locks and dams are indicated by ______.A.flashing red lights upstream and fixed red lights downstremB.yellow unlighted buoysC.signs and / or flashing red lightsD.red daymarks upstream and green daymarks downstream
Restricted areas at locks and dams are indicated by ______.
A.flashing red lights upstream and fixed red lights downstrem
B.yellow unlighted buoys
C.signs and / or flashing red lights
D.red daymarks upstream and green daymarks downstream
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