Joseph Hutchins Colton, 1800-1893. Northern regions.
Scale [ca. 1: 22 000 000]. New York, ca. 1855. Plate XII from a Colton atlas.
This polar map shows the advances made during the search for Franklin.
The area to the north and east of Ellesmere Island is still blank; it
would be filled in during the latter part of the 19th century by British,
American, and Norwegian explorers.