TY - GEN TI - Laboratory tests to determine discharge coefficients fro obstructions to super-flood flows: final report U1 - 627 PY - 1940/// CY - Iowa PB - Hydraulic Laboratory KW - Super-Flood Flows N1 - Hydraulic Laboratory Report No.45; Tests Made For U.S. Engineers Office, Rock Island, Illinois To Evaluate The Obstruction Offered To Super-Flood Flow By Bridges, Dams, River Walls, And Other Contractions In River Channels ER -