Telegraph plateau

Laying cables across the Atlantic Ocean to connect Europe and America necessitated understanding the ocean floor. American oceanographer Matthew Fontaine Maury identified a central plateau, naming it the Telegraph Plateau, essential for cable laying.
 Matthew Fontaine Maury England 1854 Telegraph plateau

Laying cables across the Atlantic Ocean to connect Europe and America necessitated understanding the ocean floor. American oceanographer Matthew Fontaine Maury identified a central plateau, naming it the Telegraph Plateau, essential for cable laying.