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Tyrrell, Joseph Burr

(Encyclopedia)Tyrrell, Joseph Burr tĭrˈəl [key], 1858–1957, Canadian explorer and geologist, b. Ontario. In 1881 he joined the Canadian Geological Survey as an explorer and in 1883 accompanied G. M. Dawson on ...

Erie Canal

(Encyclopedia)Erie Canal, artificial waterway, c.360 mi (580 km) long; connecting New York City with the Great Lakes via the Hudson River. Locks were built to overcome the 571-ft (174-m) difference between the leve...

Toronto

(Encyclopedia)Toronto tərŏnˈtō [key], city (1998 est pop. 2,400,000), provincial capital, S Ont., Canada, on Lake Ontario. Toronto is the largest city in Canada and since the 1970s has been one of the fastest-c...

Courcelle, Daniel Rémy, sieur de

(Encyclopedia)Courcelle, Daniel Rémy, sieur de dänyĕlˈ rāmēˈ syörˈ də ko͞orsĕlˈ [key], d.1698, governor of New France (1665–72). He arrived with the intendant Jean Talon, and together they inaugurate...

lake, in dyeing

(Encyclopedia)lake, in dyeing, an insoluble pigment formed by the reaction between an organic dye and a mordant. The color of a lake depends upon the mordant as well as the dye used. Generally, lakes are not as col...

Mille Lacs Lake

(Encyclopedia)Mille Lacs Lake mĭl lăks [key], 207 sq mi (536 sq km), E central Minn., N of Minneapolis. It drains into the Rum River. Sieur Duluth, a French explorer, visited (1679) the Ojibwas who lived on the l...

Lesser Slave Lake

(Encyclopedia)Lesser Slave Lake, 60 mi (97 km) long and from 3 to 10 mi (4.8–16 km) wide, central Alta., Canada, NW of Edmonton. It drains E into the Athabasca River by the Lesser Slave River. In addition to comm...

Lucerne, Lake of

(Encyclopedia)Lucerne, Lake of, Ger. Vierwaldstätter See, irregular-shaped lake, 44 sq mi (114 sq km), central Switzerland. It has a maximum depth of c.700 ft (210 m). The lake is fed and drained by the Reuss Rive...

Harris, Thomas Lake

(Encyclopedia)Harris, Thomas Lake, 1823–1906, American Christian mystic. Born in England, he was brought to the United States as a child. In 1845 he was called to the pulpit of the Fourth Universalist Society, in...

Great Bear Lake

(Encyclopedia)Great Bear Lake, largest lake of Canada and fourth largest of North America, c.12,275 sq mi (31,800 sq km), c.190 mi (310 km) long and from 25 to 110 mi (40–177 km) wide, Northwest Territories, on t...