Map of the Northwest Angle and Lake of the Woods. The map is reproduced in Minnesota’s Boundary with Canada by William E. Lass (St. Paul: Minnesota Historical Society Press, 1980), 46.
A 1964 map of the proposed Voyageurs National Park (revised without the land area between Namakan Lake and Crane Lake). National Park Service, public domain.
Map of locations important to the early 1800s fur trade in present-day Minnesota and Wisconsin. The Snake RIver Fur Post (Sayer's post) is visible in the lower left. Drawn by David Geister, ca. 2000.
Vicinity and locator map of the Superior National Forest, including the Boundary Waters Canoe Area Wilderness (BWCAW). Created by the United States Forest Service, August 8, 2012. Public domain