TABLE NO. 1 



Operational Statistics for the First 31 Cruises of 



Glomar Challenger 

 August 1968 - August 1973 



Significant Operational Statistics 



Number of Legs (cruises) 31 



Number of Sites Occupied 302 



Number of Holes Drilled 448 



Number of Cores Taken 6,044 



Total Penetration into Sea Floor (feet) 441,030 



Total Coring (feet) 174,293 



Total Core Recovery (feet) 98,204 



Maximum Water Depth (feet) 20,483 



Average Water Depth (feet) 15,000 



Maximum Drill String Length (feet) 22,192 



Maximum Depth of Penetration into Sea Floor (feet) 4,265 



Miles Steamed (nautical miles) 156,818 



Number of Scientists Participating on board Glomar Challenger 



Shipboard Total (including 96 repeats) 345 



Shipboard Foreign (including 31 repeats) 107 



Nations Represented 23 



First Operational Use of Reenttry December 1970 



Number of Initial Reports Volumes Published 17 



Number of Copies Printed (per volume, approximate) 3,000 



Number of Initial Reports Awaiting Publication 4 



Number of Core Samples Distributed (first 24 legs) 22,962 



National Science Foundation 



National and Special Research Programs 



Ocean Sediment Coring Program 



Actual Estimate^ Estimate 



FY 1973 FY 19^4 FY 1975 



Ocean Sediment Coring Program $9,473,000 $10,500,000 $11,000,000 



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