Digital Collection
2013.042.903

Chart, Navigational

Detroit River

One navigational chart entitled, "Detroit River," that was compiled and published by the National Oceanic and Atmospheric Administration (NOAA), Lake Survey Center. The chart (No. 41) is a polyconic projection and is drawn at a scale of 1:30,000. It shows the Detroit River from Windmill Point at the lower end of Lake St. Clair down to Pointe Mouillee on Lake Erie. The lower end of the river is shown in an inset map on the right side of chart. Land areas are shaded in pale yellow. Lake areas are shown in white and light blue depending upon water depths which are shown in feet. Distances are given in statute miles. Lines of latitude and longitude are shown in black. Course bearings are shown along with navigational range markers. Lighthouses and buoys are also noted. Printed text in the lower left corner shows "Edition of March, 1974." The verso shows a map of the Great Lakes region in light gray along with NOAA chart numbers and areas of coverage.

Date
1974
Collection
Extent of Description
34" x 40"
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