Who Mapped the Oregon Trail?

Related questions

1. How long does it take to play Oregon Trail?
2. How was Oregon acquired?
3. How far can a person travel on horseback in a day?
4. What can you die from in Oregon Trail?
5. How many miles did Pioneers walk in a day?
6. What did the pioneers eat on the trail?
7. Why did Robert Horton quit wagon train?
8. Can a horse run itself to death?
9. What was the main purpose of the Oregon Trail?
10. How did Pioneers survive the Oregon Trail?

Tags

1. #oregon
2. #benjamin
3. #south
4. #trail
5. #platte
6. #across
7. #wagons
8. #wyoming
9. #captain
10. #sweetwater
11. #bonneville
12. #brought
13. #columbia
14. #north
15. #idaho
16. #expedition
17. #route
18. #river
19. #explored
20. #green