4 6 rails across america

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Ngày đăng: 24/04/2017, 16:48

Fascinating Facts • In the 1820s many of the nation’s railcars were pulled along their tracks by teams of horses • The city of Cheyenne, Wyoming, was built by Union Pacific workers as a place to live while working in the area • When trains first became popular, some doctors warned that riding them at such fast speeds was not healthy Genre Nonfiction Comprehension Skill Sequence Text Features • Map • Sidebar • Captions Scott Foresman Social Studies ISBN 0-328-14864-4 ì
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