Show Ocean Deeps Sounded To Remarkable Depths Thousands of at soundings have been taken all over the navigational globe From these we know that the average average average aver aver- age depth of ot the sea is about two and one-half one miles Only about one one- sixth of the ocean floor lies between the shore line and 1000 fathoms and moro more than half halt the entire floor is covered by depths between 2000 and fathoms Challen Challenger er Deep In the northwest north west Pacific has a depth of fathoms and Swire D Deep p. p off oft Mindanao Min danao has a depth of fathoms Both BoUl these d deeps ps are more than five nautical miles If It Mount Everest inthe in inthe inthe the Himalayas were placed in Swire Deep its summit would be covered by the waters of the ocean to a depth of I feet t. t The vertical distance from Crom the top of Mount Everest to the bottom of Swire D Deep p is 61 feet more than ten nautical miles |