Relief shown by hachures and spot heights. Depths shown by bathymetric tints, soundings, and isolines.; "Catalogue No. 9."; "Issued October 11, 1919."; Includes text, magnetic variations chart, lists of United States and Canadian canals, and dry docks list., 69 x 124 Centimeters
Creator
U.S. Lake Survey
Publisher
On sale at U.S. Lake Survey Office (Detroit, Michigan)
Rights
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U.S. Lake Survey (n.d.). General chart of Lake Superior. On sale at U.S. Lake Survey Office (Detroit, Michigan). https://umedia.lib.umn.edu/item/p16022coll230:4115 (map)