Mariana Trench  search
BTPacific Ocean
 .North Pacific
 ..Northwest Pacific
 ...Mariana Trench
RTLeg 60
 DSDP Site 460
 DSDP Site 461
 DSDP Site 60
 DSDP Site 61
 Leg 124E
SNE of the Mariana Islands. This term has multiple hierarchies. Added to Thesaurus in 1981.