Across
- 7. began its long journey to explore the louisiana purchase.
- 9. the agreement which roughly doubled the size of the United states
- 10. an undeveloped area
Down
- 1. communities that grew suddenly when a mine opened
- 2. a system of messages on horseback ______ began to carry the mail west
- 3. The railroad co,pamies addressed the issue by setting up ________
- 4. where many ranches raised cattle in the late 1800s
- 5. many settlers moving to oregon country and other western areas followed the 2,00 mile long _____
- 6. These adventures were among the first explore the Rocky mountains
- 8. a shoshone from the rocky mountains and she knew several native american languages