submarine valley การใช้

• 1857, the commanding officer of the United States Coast Survey Steamer, Active, discovers a deep submarine valley, or " gulch, " in the center of Monterey Bay.
• "' Vanderford Valley "'( Other English names : Vanderford Strath, Vanderford Submarine Valley Hungarian " Vanderford-selfv鰈gy " ) ( ) is an undersea valley, named in association with the Vanderford Glacier, which reaches a depth of 2287 m ( 7, 503 ft ).