Physical characteristics include a gravel and sand moraine ridge on its southwestern shore. There are also tidewater glaciers. The main discharge of Lefferts Glacier is into Rosse Bay.
^Harington, C. R. (2003). Annotated bibliography of Quaternary vertebrates of northern North America: with radiocarbon dates. Canadian Museum of Nature. University of Toronto Press. p. 35. ISBN 0-8020-4817-X.
^Greely, Adolphus Washington (1886). Three years of Arctic service: an account of the Lady Franklin bay expedition of 1881-84, and the attainment of the farthest north. Vol. 2 (Digitized Nov 6, 2008 ed.). C. Scribner's sons. p. 153.