New Buffalo and the marshes of Lake Pottowottomee at the mouth of the Galien River, Michigan shewing the facilities for constructing a harbor of refuge / from survey made in September 1857 by assistant John R. Mayer, under the direction of Brevet Lieut. Col. J.D. Graham Major, U.S.Top. Engineers. Superintending Engineer of Lake Harbor Works.

Notes:

The soundings are in feet & tenths of a foot."; "The figures on land express the elevations above the lake surface in feet and decimals. The horizontal curves or contour lines are drawn at intervals of 3 feet of perpendicular elevation."; "Accompanying Lt. Colonel J.D. Graham's annual report (no. 200) to Chief Top. Engineer, dated Chicago, September 30th 1857."; "Map G. No. 54."; 1 map 65 x 101 c

Data Provider:

University of Michigan. Libraries

Collection:

UM Clark Library Maps

Subject Topic:

Harbors Michigan New Buffalo Maps.; Galien River (Mich.) Maps.

Language:

eng

Rights:

This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library. and https://www.lib.umich.edu/about-us/policies/copyright-policy

URL:

http://name.umdl.umich.edu/IC-CLARK1IC-X-001293829%5D39015091900848