Dams. Construction of dams for highway bridges, hearings. 79th Congress, 2d session, on H. R. 5088, to amend and supplement Federal-aid road act of July 11, 1916, as amended and supplemented, to provide for design and construction of dams so that they will serve as suhstructures for highway bridges upon and across such dams, to authorize granting of easements and rights-ofway in connection therewith, and for other purposes, Apr. 11, 1946.