Equatorial Pacific  search
BTPacific Ocean
 .Equatorial Pacific
NTHess Deep
RTDSDP
 Carnegie Ridge
 Clipperton fracture zone
 DSDP Site 68
 Cocos Ridge
 Costa Rica Rift
 DSDP Site 61
 DSDP Site 62
 DSDP Site 63
 DSDP Site 64
 DSDP Site 65
 DSDP Site 66
 DSDP Site 69
 DSDP Site 70
 DSDP Site 71
 DSDP Site 72
 DSDP Site 73
 DSDP Site 74
 DSDP Site 75
SNBefore 1978, search Pacific Ocean AND equatorial. Also index other applicable terms such as Northeast Pacific or East Pacific.