North America polar regions : Baffin Bay to Lincoln Sea showing the most recent discoveries including those of U.S.S. Polaris Expedition in 1871-2, under Captain C.F. Hall, British Arctic Expedition in 1875-6, under Captain G.S. Nares, R.N., The Lady Franklin Bay Expedition in 1881-4, under Lieutenant A.W. Greely, U.S.A
1 : 1500000 United States. Hydrographic Office Hydrographic Office, Navy Dept.