Nipigon

Chambers's Encyclopaedia, Volume 7: Maltebrun to Pearson, p. 506

Nipigon, a lake of Ontario, 30 miles NW. of Lake Superior, with which it is connected by the Nipigon River. It is about 70 miles long, but its deeply-indented coast-line measures 580 miles. Its greatest depth is 540 feet. The lake is studded with hundreds of islands.

Source scan(s): p. 0519