Chart, Navigational
Chart of Detroit River
One navigational chart entitled, "Chart of Detroit River" that was compiled and published as part of the Survey of the Northern and Northwestern Lakes (War Department, Corps of Engineers). The chart is a polyconic projection and is drawn at a scale of 1:40,000. It shows the Detroit River from Wind Mill Point at the lower end of Lake St. Clair down to Pointe Mouillée at the lower end of the river. Land areas are pale yellow and are shaded in various textures based upon the type of land use. River and lake areas are shown in white or pale green depending upon water depths which are given in feet. Distances are given in statute miles. Lines of latitude and longitude are shown in black. Lighthouses and buoys are noted with small yellow circles. Inset charts on the lower right side show enlarged details of the Trenton Channel and Mouth of the Detroit River.
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