Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
8514
Points per Word
0.000117
Series
American West
Description
One of the most significant developments in the settlement of the American West was the construction of the transcontinental railroad. Construction of the railroad took six years, ending when the last spike was hammered in at Promontory Summit, Utah.