FIRST DEEP SEA CANYON DIS­COV­ERED

Asian Diver (English) - - History -

James Alden, com­mand­ing of­fi­cer of the Coast Sur­vey Steamer Ac­tive, dis­cov­ers the first known deep-sea canyon, now known as Mon­terey Canyon. This canyon ex­tends 153 me­tres into the Pa­cific Ocean and reaches a depth of 3.5 kilo­me­tres.

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