"Canals, Interocean." . . . . "Message ... in relation to the survey of a route for a canal between the Gulf of Mexico, and the Atlantic Ocean : February 28, 1829"@en . . "Electronic books"@en . . . "Message from the President of the United States in relation to the survey of a route for a canal between the Gulf of Mexico and the Atlantic Ocean February 28, 1829" . "Message from the President of the United States in relation to the survey of a route for a canal between the Gulf of Mexico and the Atlantic Ocean February 28, 1829"@en . . . . . . . . . . . . "Surveys" . "Surveys"@en . . . . . . . "Central America" . .