Present-day fishing trawlers in the North Sea occasionally dredge up the bones and tusks of the mastodons and other game from the ocean floor.
For example, its governing body would be empowered to impose what amount to international taxes on resources extracted from the ocean floor and subsurface.
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The aircraft's voice recorder and flight data recorder were recovered from the ocean floor in May 2011 after an extensive search using miniature submersible vehicles.
Remaining traces are indistinguishable in a body of water as enormous as the Gulf of Mexico and no different than the trace amounts that naturally seep from the ocean floor.
"I'm excited to report that, using state-of-the-art deep sea sonar, the team has found the Apollo 11 engines lying 14, 000 feet below the surface, and we're making plans to attempt to raise one or more of them from the ocean floor, " the billionaire investor and entrepreneur wrote.
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But the harm they do as a destroyer of habitat, by ripping up corals and sponges, and wrecking the nurseries of fish species that grow very slowly, seems out of proportion to any gain from scraping the ocean floor: one zoologist has compared it to cutting down virgin forests, full of rare species, to collect squirrels.
These breakthroughs allow oil to be sucked economically from far beneath the ocean floor, and out of depleted and formerly abandoned wells.
Offshore production means any platform structure that is affixed temporarily or permanently to offshore submerged lands and that houses equipment to extract petroleum and natural gas from the ocean or lake floor.
BP, which had been leasing the rig from Transocean, says the safety device that was supposed to cut oil flow on the ocean floor in the event of a well blowout did not perform its function.
In other words, the extraction process, if done improperly, could cause sudden disruptions on the ocean floor, reducing ocean pressure rates and releasing methane gas from hydrates.
Soon after the remote camera mounted on Ballard's undersea robot, Argo, spotted the vessel's massive boiler on the ocean floor, Ballard was calling ABC, NBC and CBS from his ship's radio.
Last year, he hired undersea experts to scan the ocean floor to find the massive engines that propelled the Apollo 11's space capsule from Earth to outer space.
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