Chapter 18 Section 1 Mining Booms. PIKE’S PEAK or BUST Colorado Rockies in 1858.
Industry Comes of Age By Jeanelle and May. Railways 1900: railroad expands from 35000 miles (1865) to 192556 miles railroad is costly and risky so congress.
Unit 9 Western Frontier Unit 10 Immigration Unit 11The Gilded Age Unit 12 Industrial Development Unit 13 Growth of Big Business Unit 14 Growth of the.
Chapter 18
