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When steel junk was inadvertently left in the bore hole at Site 462, during the Deep Sea Drilling Project, a mill was threaded on the end of the drill string. The mill drilled up the junk, after which drilling and coring continued. A futile attempt to recover the steel junk was made by using junk baskets before turning to the mill. 1978.

When steel junk was inadvertently left in the bore hole at Site 462, during the Deep Sea Drilling Project, a mill was thre...