Across
- 3. The westernmost standard time zone in the continental United States, which runs exactly 3 hours behind Eastern Time. (7 letters)
- 6. The 1862 law that encouraged settlement by giving 160 acres of free public land to citizens who farmed it for five years. (9 letters)
- 7. The 1800s belief that the United States was divinely meant to expand and stretch across the entire continent from the East Coast to the West Coast. (15 letters)
- 10. The 1876 battle that resulted in a major, but short-lived, Native American military victory over Custer's U.S. Army troops. (13 letters)
Down
- 1. Financial aid or land grants given directly to railroad companies by the federal government to encourage track construction. (9 letters)
- 2. The worker group that laid railroad tracks moving from West to East but was famously left out of the official celebration photo. (7 letters)
- 3. A person who explores an unknown area looking for valuable mineral deposits like gold or silver. (10 letters)
- 4. A mining community that grew incredibly fast, almost overnight, near a gold or silver discovery. (8 letters)
- 5. The animal population decimated by railroad hunters, destroying the primary food and shelter resource for Plains tribes. (7 letters)
- 8. The 1887 law passed by Congress that broke up reservation lands into individual plots to forcibly assimilate Native Americans. (5 letters)
- 9. The building material (prairie grass roots and dirt) used by homesteaders on the Great Plains because trees were scarce. (3 letters)