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- Description:
- Navigational chart entitled, "Map of the Delta of the St. Clair [River]," that was compiled by Lieutenants J. N. Macomb and W. H. Warner "under the direction of Captain W. G. Williams, U. S. Corps of Topl. Engrs. [Topographical Engineers]." The survey work is dated 1842. The chart is drawn at a scale of 1:15,840 (four inches = 1 mile) and shows the area at the outlets of the North, Middle, and South Channels of the St. Clair River which flow into Lake St. Clair. The chart is drawn in black ink on slightly yellowed paper and shows shorelines, water depths in feet, marsh areas, navigational channels, a north arrow and magnetic north, and survey triangulation points. A small inset map in the upper left corner shows Lake St. Clair, the lower St. Clair River, and the upper Detroit River.
- Date Issued:
- 1842-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- One navigational chart entitled, "St. Clair River Including Foot of Lake Huron and St. Clair Flats Canal," that was compiled and published by the U. S. Lake Survey (War Department, Corps of Engineers). The chart is drawn at a scale of 1:40,000 and shows the St. Clair River from the lower end of Lake Huron to the St. Clair Flats. Land areas are shown in pale yellow. Lake areas are shown in white and light blue. Distances are given in statute miles. Soundings for lake depths are given in feet. Lines of latitude and longitude are shown in black. Lighthouses and buoys are also noted.
- Date Issued:
- 1914-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
