DSDP Site 25  search
BTDeep Sea Drilling Project
 .Leg 4
 ..DSDP Site 25
RTSouth Atlantic
 Equatorial Atlantic
SNNear base of NE Brazil continental slope, Equatorial Atlantic.
DSDP Site 250  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 250
RTIndian Ocean
SNSE Mozambique Basin, W Indian Ocean.
DSDP Site 251  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 251
RTMid-Indian Ridge
SNMid-Indian Ridge, SW Indian Ocean. Added to Thesaurus in 1989.
DSDP Site 252  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 252
RTIndian Ocean
SNCrozet Basin, SW Indian Ocean.
DSDP Site 253  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 253
RTNinetyeast Ridge
SNNinetyeast Ridge, SE Indian Ocean. Added to Thesaurus in 1981.
DSDP Site 254  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 254
RTNinetyeast Ridge
SNNinetyeast Ridge, SE Indian Ocean. Added to Thesaurus in 1981.
DSDP Site 255  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 255
RTIndian Ocean
 Broken Ridge
SNS Broken Ridge, SE Indian Ocean. Added to Thesaurus in 1993.
DSDP Site 256  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 256
RTWharton Basin
SNS Wharton Basin, E Indian Ocean. Added to Thesaurus in 1989.
DSDP Site 257  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 257
RTWharton Basin
SNSE Wharton Basin, E Indian Ocean. Added to Thesaurus in 1989.
DSDP Site 258  search
BTDeep Sea Drilling Project
 .Leg 26
 ..DSDP Site 258
RTIndian Ocean
 Naturaliste Plateau
SNSlope of Naturaliste Plateau, E Indian Ocean. Added to Thesaurus in 1995.
DSDP Site 259  search
BTDeep Sea Drilling Project
 .Leg 27
 ..DSDP Site 259
RTPerth abyssal plain
SNPerth abyssal plain, E Indian Ocean. Added to Thesaurus in 1981.