Dahl Reef (66°15′S 110°29′E) is a narrow rock reef which uncovers at low water, lying 1.4 nautical miles (2.6 km) northwest of Stonehocker Point, Clark Peninsula. It was first charted in 1962, during a hydrographic survey of Newcomb Bay and approaches, by d'A. T. Gale of the Australian National Antarctic Research Expeditions (ANARE). It was named for Egil Dahl, third mate on the Thala Dan, the ship used by ANARE in 1962.
Map of Dahl Reef, Antarctica
References
Dahl Reef Wikipedia(Text) CC BY-SA