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121-756C
1
121-756D
1
121-757B
1
121-757C
1
121-758A
1
22-214
22-216
1
26-253
1
DRILL
1
DSDP
1
Deep Sea Drilling Project
1
Drilling/drill rig
Glomar Challenger
1
Indian Ocean
1
Indian Ocean//RIDGE
1
Joides Resolution
1
Leg121
1
Leg22
1
Leg26
1
ODP
1
Ocean Drilling Program
1
South Indian Ocean
1
South Indian Ridge
1
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