Plan of Dam at Princeton

Pen and ink plan of the dam on the St. Croix River in Princeton township drawn on vellum signed by J. W. Edgerly. The plan includes a diagram of Mercier Mill, including the placement and size of the equipment including the shingle, lath machine, edger, rotary saw, and plane. The plan is drawn on a scale of 15 feet to an inch or 1:180. The only date on the plan is a measurement of the depth of water at the sluice gates near the fish way on April 13, 1894.https://digitalcommons.library.umaine.edu/mainebicentennial/1055/thumbnail.jp