Jacka Glacier
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Jacka Glacier (glacier, 0.8 miles (1.3 km) long, flowing northeast from Hayter Peak and terminating in icefalls opposite Vanhoffen Bluff on the north side of Heard Island. The glacier appears to be roughly charted on an 1860 sketch map compiled by Captain H.C. Chester, American sealer operating in the area during this period. It was surveyed in 1948 by the ANARE (Australian National Antarctic Research Expeditions), and named by them for Fred J. Jacka, expedition physicist.
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