State Park Devils Lake Wisconsin : course in plane table surveying
Ink and pencil on paper.; Relief shown by contours and rock drawings.; Shows trails, campgrounds, springs, railroads, and roads.; "Contour interval = 20 ft."; "Mean sea level datum."
37 x 42 centimeters, on sheet 46 x 51 centimeters
Scale [1:12,000] 1 inch = 1000 feet
General Map Collection
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