Houghton Mifflin Social Studies
Oh, California

Lesson at a Glance
Chapter 7, Lesson 3: Building the Railroad (pp. 173-177)

The Big Idea
Framework Concept: Change The engineering and work crews faced many challenges as they completed the transcontinental railroad.

Lesson Outline
Use the Lesson Outline to preview the content of the lesson. You may wish to print it for your students as a guide during reading.

Check for Understanding

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