Map of the canal at the Saut Ste. Mary from a survey by Captain Canfield and Judge Burt; John Holcroft, assistant; drawn by John Holcroft.
Description:
Bathymetry shown by soundings and contours in feet. Shows "proposed canal" and surrounding cultural features. Includes profile. Vertical scale [ca. 1:245]. 1 map; 31 x 45 cm
Creator:
Burger, R. (Robert), Burt, William Austin, 1792-1858, Canfield, Augustus, d. 1854, Holcroft, John, and R. Burger & Company.
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