The Northern Party had previously built a supply depot at Hells Gate Moraine (74° 52'S, 163° 50'E) on Inexpressible Island as a form of security should the Terra Nova be unable to collect them. The depot primarily consisted of a sledge loaded with supplies and equipment.
The Northern Party had previously constructed a logistics hub at Hells Gate Moraine (74° 52'S, 163° 50'E) on Inexpressible Island as a safeguard against the Terra Nova's inability to collect them. The hub primarily comprised a sled carrying essential supplies and equipment.