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Across 1. The captain who got him and his crew dead 3. The president in 1800. 6. The name of the river Lewis and Clark started on. 9. Who helped Lewis and Clark on their way back east? 11. The number of years Lewis and Clark were gone. 12. The war that ended Astor's success. 13. The boat Lewis and Clark used in their expedition. 14. The name of Sacajawea's child. 16. The man who discovered the Fraser River. 17. Where did the U.S. buy The Louisiana Purchase from? 18. The place where Lewis and Clark started at.

Down 1. The name of Captain Thorns boat. 2. What almost doubled the United states land? 4. What was the first trading on the U.S. Pacific coast? 5. A Shoshone women contributed to the expedition.. 7. The man who found the source of the Columbia River. 8. Who was Captain Clarks slave? 10. Who found a great river that emptied into the Arctic Ocean? 14. The other name for the canoes on the expedition. 15. The supply ship Astor sent.