River and harbor bill. hearings before the Committee on Rivers and Harbors, House of Representatives, Seventy-eighth Congress, first and second session on H.R. 3961, a bill authorizing the construction, repair and preservation of certain public works on rivers and harbors and for other purposes. Part 2, Amendment to the enacting clause; Mississippi River at Minneapolis, Minn.; Houston Ship Channel, Tex.; Sturgeon Bay and Lake Michigan Canal, Wis.; Sackets Harbor, N.Y.; Harbors of Refuge on the Great Lakes; St. Johns River, Fla., Jacksonville to Lake Harney; and Trinity River Tributaries, Tex.-Lavon Reservoir, February 16, 22, 1944 :