The Rocky Mountains are the largest mountain system in North America.The Rocky Mountain Chain(1)for more than 4,800 km through the United States and Canada.Visitors to the Rockies enjoy sparkling lakes,snow-capped peaks and other spectacular scenery.The region(2)its ski resorts and wild game.Some American and Canadian national parks(3)there.Several rivers such as the Colorado,the Missouri,the Arkansas and others begin in the Rockies.
Chief ranges of the Rockies(4)the Southern Rockies,the Middle Rockies,the Northern Rockies,the Canadian Rockies,the Selwyn and Mackenzie Mountains and the Brooks Range.
Plant and Animal life:Forests of pines(5)the lower slopes of the Southern Rockies.In the higher areas of the Rockies,visitors will find firs,pines and spruces.Mountain goats,elk,bears,deer,mountain lions,squirrels and other animals are found living in the Rockies.
The Rockies were(6)over 65 million years ago.The sides of the mountains contain fossils of animals which once lived in the sea(7)rocks existing in the hot interior of the earth
Many Indian tribes(部落)(8)there when Europeans first arrived in North America.The first Europeans reaching the Rockies were Spanish explorers,(9)established a colony near what is now Santa Fe,New Mexico, in 1598.
The Rockies made transportation(10)during the 1800's when explorers and settlers were moving westward. The first railroad route through them was built in the Wyoming Basin in 1868.Today,Interstate Highway 80 runs through the Wyoming Basin.
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