Wave Progress

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The figure “represents the progress of a wave up a broad depression or valley 40 miles wide at the bottom and 240 at the top, the depth at the center being 1000 feet.” -Coast and Geodetic Survey, 1901

Galleries

Hydrology

Source

Coast and Geodetic Survey: July 1, 1899, to June 30, 1900 (Washington, DC: United States Government Printing Office, 1901)

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