Detailed hydrographic and topographic chart of the Itasca State Park: at the source of the Mississippi River, state of Minnesota
Cartographic Details: Scale [1:21,120]. Three in. to each statute mile. Relief shown by hachures. Includes descriptive text of the land's physical characteristics, table of geographic position with distances to significant locations, list of "original discoveries" pertaining to features of the region, list of altitudes of selected natural features, and surveyed measurements of the mapped area.
38 x 24 centimeters
General Minnesota Maps
Brower, J. V. (Jacob Vradenberg), 1844-1905 and Drapeyron, Ludovic , 1839-1901