1. Building of a Railroad http://memory.loc.gov/pnp/fsa/8c22000/8c22100/8c22104r.jpg

2. Mining towns used the trains to bring in supplies and to carry away the minerals. http://www.colorado.gov/dpa/doit/archives/tour/pcgr1a.gif

3. These railroads were completed in Colorado. http://memory.loc.gov

4. Does this look easy to build? http://www.colorado.gov/dpa/doit/archives/tour/pcgr2a.gif

5. Lots of bridges had to be built. http://memory.loc.gov/pnp/fsa/8b26000/8b26000/8b26089r.jpg Trestle - the framework that holds up the bridge

6. Bridges had to be constructed over rivers and streams. http://memory.loc.gov/pnp/wtc/4a00000/4a02000/4a02600/4a02624r.jpg

7. Tunnels were dug through the mountains. http://memory.loc.gov/pnp/wtc/4a00000/4a02000/4a02700/4a02705r.jpg

8. Workers had dangerous jobs lcweb2.loc.gov

9. They needed lots of railroad workers dese.mo.govwww.nationalatlas.gov memory.loc.govwww.nationalatlas.gov

10. Immigrants from Europe and Asia worked on building the railroads. http://lcweb2.loc.gov/frd/cs/nigeria/ng01_07a.jpg

11. They lived far from home http://memory.loc.gov

12. The railroads carried materials and people to the West http://memory.loc.gov