Unit 3 Amazing people【美文阅读】 John Wesley Powell-Famous Explorer of the American West1869 年美国独臂炮兵少校约翰·卫斯莱·鲍威尔带领一支探险小分队发现了科罗拉多大峡谷
从此,他声名远扬
John Wesley Powell became famous for his trip on the Green and Colorado Rivers
It was one of the greatest trips of discovery in the history of North America
John was born in 1834 in New York State
When he was a little boy, he learned many things about the natural sciences, philosophy and history from George Crookham, a self-taught scientist
In 1861 the civil war broke out in the United States
John joined the army
At the battle of Shiloh, he lost his right arm
After the war, John Wesley Powell taught science at two universities in Illinois
He also helped found the Illinois Museum of Natural History
From 1867 Powell led a series of expeditions into th