Library Digital Collections

Drilling Technique Explained - Paula Worstell, staff scientist with the Deep Sea Drilling Project, has the drilling and coring techniques used by Global Marine, Inc. roughnecks aboard Glomar Challenger for Leg 44, explained after a record penetration of 4,631 feet at Site 391 in the Atlantic Ocean

Drilling Technique Explained - Paula Worstell, staff scientist with the Deep Sea Drilling Project, has the drilling and co...