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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, "Head of Green Bay and Entrance to Fox River, Wisconsin." The area was "Surveyed in 1845 by Capt. W. G. Williams and Lieut. J. W. Gunnison, Corps Topl. Engrs. [Topographical Engineers] with corrections to date by Lieut. W. F. Raynolds, Corps Topl. Engrs. under the orders of Capt. J. N. Macomb, Corps Topographical Engineers, 1853." The chart was drawn at a scale of 1:30,000 and covers about 3 miles of the Fox River and about 6 miles of the head of Green Bay. The towns of Green Bay and Fort Howard, Wisonsin, are shown. The chart includes information such as soundings in feet, lake bottom characteristics, lines of latitude and longitude, shoreline details, roads, and sailing directions. The chart was printed in black ink on white paper and was published by the Bureau of Topographical Engineers, War Department (later known as the Army Corps of Engineers). Small printed text in the lower right corner shows "Reduced for engraving by John Lambert and F. Herbst, Draughstman. Engraved by W. H. Dougal under the direction of Capt. T. J. Lee, Topl Engrs., Washington, 1853."
- Date Issued:
- 1853-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society