Cartographic Details: Scale 1:15,000 ; Trigonometrical projection ; (W 95°15'20"--W 95°09'00"/N 47°15'00"--N 47°08'10"). Relief shown by contours. Depths shown by soundings. Oriented with north to right. " ... Topography by W.G. Comber, G.H. French and F.G. Ray. Hydrography by W.G. Comber. Office reduction, under the direction of C.W. Clark .....
United States. Mississippi River Commission; Comber, W. G.; French; G. H.; Ray, F. G.; Morrow, A. T.; Clark, C. W.; Harmon, E. L.; Williams, W. S.; Wolbrecht, Geo. H.; Widen, K. A.; D'Ailly, H. A. H.; Julius Bien & Co.
University of Minnesota Libraries, John R. Borchert Map Library.