Keywords: Duluthcomplexmap.png http //www geo umn edu/mgs/srtm_15in jpg Shaded-relief image of northeast Minnesota and adjoining areas in central North America 90 meter grid Shuttle Radar Topography Mission SRTM of http //www2 jpl nasa gov/srtm/ NASA Jet Propulsion Laboratory republished by University of Minnesota Department of Geology and Geophysics The crescent-shaped region north of Lake Superior between Duluth and Pigeon Point is the Duluth Complex Original image has been cropped labels were added and state borders have been emphasized PD-USGov Geology of Minnesota Maps of Lake Superior Geological maps of North America |