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Start Over Place Michigan--Isle Royale Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Chart of Isle Royal including north west coast of Lake Superior; projected and drawn from trigonometrical surveys executed under the direction of Brt. Brig. Genl. W.F. Raynolds ... in 1867, 1868 and 1869, and Major C.B. Comstock ... in 1870 and 1871.

Maps University Of Michigan Public content
1886. Comstock, C. B. (Cyrus Ballou), 1831-1910, Dougal, William H., 1822-1895, Molitor, E., Raynolds, W. F. (William Franklin), 1820-1894, and U.S. Lake Survey. Relief shown by hachures; depths shown by contours and soundings. "Aids to navigation corrected to November 1, 1886." "Reduction for engraving by E...