Sigsbee Deep

The Sigsbee Deep[Note 1] (Mexico basin in the U. S. Board on Geographic Names Advisory Committee on Undersea Features Gazetteer)[1] is a roughly triangular basin that is the deepest part of the Gulf of Mexico named for Charles Dwight Sigsbee.[2] There is some confusion of names that apply to the basin or a particular point in the basin, with both being found in technical and popular literature applying to both basin and the coordinates.

Contour map of Gulf of Mexico as sounded by the C&GS Steamer Blake between 1873 and 1875. Over 3,000 soundings went into this chart, most of the deep water soundings taken by the Sigsbee Sounding Machine. This was the first realistic bathymetric map of any oceanic basin. In: "Three Cruises of the BLAKE" by Alexander Agassiz, 1888. P. 102.


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  1. ^ IHO-IOC GEBCO (March 2011). "IHO-IOC GEBCO Gazetteer of Undersea Feature Names (Microsoft Excel spreadsheet/Adobe PDF document formats)". IHO-IOC GEBCO Gazetteer of Undersea Feature Names. International Hydrographic Organization. Retrieved 12 February 2012.
  2. ^ "Undersea Features History". National Geospatial Intelligence Agency. Archived from the original on 2011-05-11. Retrieved 9 February 2012.