Barrons week 13

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Across
  1. 4. grounds for a conclusion
  2. 8. undeniable
  3. 10. underground
  4. 11. final
  5. 12. conquer
Down
  1. 1. practicable, workable
  2. 2. endanger
  3. 3. to give off
  4. 5. place of safety
  5. 6. stealthy, accomplished by secret
  6. 7. to result finally
  7. 9. ask urgently