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- Description:
- One navigational chart entitled, "Chart of St. Clair Flats Showing the Positions of Light House & Beacon Now in Course of Erection and the Channel Excavated in 1857 & 1858," that was prepared under the direction of Capt. W. W. Whipple of the Corps of Engineers. The survey was drawn by James T. Baker in October, 1852. Another note at the far right side of the chart shows "Copy, Bureau of Topl. Engrs., Nov. 10th, 1858" and is signed "J. C. Woodruff, Capt, Topl. Engrs., Asst. to Bureau." The chart is drawn at a scale of 3:16,000 and shows the area at the outlet of the South Pass (South Channel) of the St. Clair River which flows into Lake St. Clair. The chart is drawn in black ink on slightly yellowed paper and shows shorelines, water depths in feet, several depth contour lines, navigational channels, a north arrow and magnetic north, St. Clair Lighthouse and Beacon, and channel spar buoys. Printed text in the upper right corner shows "Sen. Ex. Doc. No. 1 - Ho. Ex. Doc. No. 2, 2nd Sess., 35th Cong." Printed text in the lower right corner shows "C. B. Graham, Lith."
- Date Issued:
- 1858-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society