Opening the West

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Across
  1. 5. lawless places created by the discovery of gold and silver
  2. 6. people who seek valuable minerals
  3. 10. worked on the railroads eastwards towards Nebraska
  4. 12. vital to the survival of mining communities in the west
Down
  1. 1. rail connecting East to West
  2. 2. people who take the law into their own hands
  3. 3. found at Pikes Peak in Colorado
  4. 4. Pacific, worked westward from Omaha
  5. 7. mineral in which gold or other valuable material is found
  6. 8. found along the Carson River in Nevada
  7. 9. government help
  8. 10. Pacific, worked eastward from Sacramento
  9. 11. worked on the railroads westwards towards California