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A cordillera is a major system of often parallel mountain ranges that includes the intervening plateaus, valleys and plains.

Lake Diefenbaker is a reservoir lake south of Saskatoon, Sask. It was formed by the construction of 2 dams that created a widening in the South SASKATCHEWAN RIVER as part of the South Saskatchewan River Development Project, inaugurated in 1958.

​A delta is a deposit of sediment at the mouth of a river that accumulates as the river flows into a standing body of water such as a lake or ocean. Because sediment tends to be rich in nutrients, deltas become fertile wetlands inhabited by diverse wildlife. Among the largest deltas in Canada are those of the Mackenzie and Saskatchewan rivers, as well as the Peace-Athabasca Delta (where the Peace, Athabasca and Birch rivers meet). Certain deltas offer advantageous access to natural resources and maritime transportation, but development projects are often controversial due to the ecological importance of these environments.

The Detroit River, 52 km long, flows south from Lake ST CLAIR to the west end of Lake ERIE, forming part of the boundary between Ontario and Michigan. Detroit, Michigan, and WINDSOR, Ontario, dominate its shores. Part of the ST LAWRENCE SEAWAY, it is heavily used by commercial traffic.

Eagle Pass, elevation about 550 m, provides a corridor through the Gold Range in the Monashee Mountains between Shuswap Lake and the ​Columbia River, 12 km southwest of ​Revelstoke, British Columbia.

The Dartmouth Lakes are 25 separate lakes located within the city of Dartmouth, NS, across the harbour from Halifax. Formed by Pleistocene glaciation about 15 000 years ago, they range in area from 1 to 140 ha.

The project was undertaken by a subsidiary of British Newfoundland Corp Ltd (Brinco), and was at the time the largest civil engineering project ever undertaken in North America. Eighty strategically placed dikes pooled the vast waters of the Labrador Plateau in the Smallwood Reservoir.

Chaleur Bay, which lies between the Gaspé Peninsula, Québec, and northern New Brunswick, is the largest bay in the Gulf of St Lawrence. At its entrance lies Miscou Island.

Cormorant Island is a small, wooded island fringed with rock beaches close to the northeast coast of Vancouver Island. ALERT BAY, a fishing port and commercial centre for nearby logging communities, is located on its south shore. The island boasts some of the finest TOTEM POLES on the BC coast.

Cornwall Island, 2258 km2, located in the northern ARCTIC ARCHIPELAGO, some 100 km W of Ellesmere I. It is generally low, rising to a 375 m summit towards the W. The island was discovered in 1852 by Sir Edward BELCHER and named North Cornwall.

Île aux Coudres, 30 km 2 , 11 km long, 4.3 km wide, 92 m high, is situated 60 km downstream from Québec City in the ST LAWRENCE RIVER estuary. The island consists of 2 Appalachian ridges joined by an embankment.

The Columbia Icefield is a mass of ice covering a high plateau between Mount Columbia (3747 m), the highest point in Alberta, and Mount Athabasca (3491 m), located between Banff and Jasper national parks, along the BC-Alberta border.

Lake Champlain (or Lac Champlain), 1269 km2, lies mostly in the United States (New York and Vermont); only the northernmost tip lies in Canada. The lake is long (201 km) and narrow (0.8 to 23 km wide) and interspersed with numerous islands.

Cedar Lake, 1353 km2, 62.5 km long, elev 253 m, is located in west-central Manitoba, north of Lake WINNIPEGOSIS. The lake draws most of its waters from the huge SASKATCHEWAN RIVER drainage basin. Construction of an earthfill dam and 25.6 km of dikes in 1961-64 caused lake levels to rise 3.

The Cassiar District lies in British Columbia's northwest corner; it historically encompasses the Stikine and Dease River watersheds and that of the upper Taku, NASS and Kechika.

Clearwater River, 280 km long, rises in Patterson, Forest and Lloyd lakes in northwest Saskatchewan, flows southeast to Careen Lake and abruptly turns west to join the ATHABASCA RIVER at Fort McMurray, Alberta.

Today the trail has been somewhat improved and restored by US and Canadian park officials and offers designated campsites and other amenities. However, for the some 2000 people yearly who seek its adventure, it still represents a challenging 4-5 day hike.

Chilkoot Pass, elevation 1,067 m, is situated on the British Columbia-Alaska border.

Athabasca Landing Trail was established 1875 by Hudson's Bay Company between Edmonton and Athabasca Landing to improve and expand northern transportation.

Cape Spear, elev 75 m, most easterly point in N America (excluding Greenland), is located 6.7 km SE of the entrance to St John's harbour, Nfld. A rocky, windswept promontory of Precambrian formation, with a thin, sporadic cover