. . "Florida Frontier Rivers National Cultural Park (Fla.)" . . . "Proposed Florida Frontier Rivers National Cultural Park Hearing, Ninety-second Congress, second session, on H.R. 586 ... March 28, 1972"@en . . "Proposed Florida Frontier Rivers National Cultural Park: hearing, Ninety-second Congress, second session, on H.R. 586, to authorize the establishment of the Florida Frontier Rivers National Cultural Park, and for other purposes, hearing held in Washington, D.C., March 28, 1972" . "Proposed Florida Frontier Rivers National Cultural Park hearing, Ninety-second Congress, second session, on H.R. 586"@en . . . . . . . . "Florida Frontier Rivers National Cultural Park." . .