. . . . "Manual of Tide Observations" . . . . "Manual of Tide Observations"@en . . "Manual of tides observations"@en . . . "Manual of tide observations" . . . "Manual of tide observations"@en . . . . . . . . . . . . . "Handbooks and manuals"@en . "Handbooks and manuals" . . . . . . . . "U.S. Coast and Geodetic Survey." . .