Dogs! Dogs! Dogs!

12345678910111213
Across
  1. 2. Snoopy
  2. 6. Spuds MacKenzie
  3. 7. Nick and Nora's dog
  4. 9. Lassie
  5. 11. Dorothy's dog
  6. 12. Muhammad Ali was one
  7. 13. Alpine rescuer
Down
  1. 1. The Big Red Dog
  2. 3. Scooby Doo
  3. 4. Where a scientist works
  4. 5. Rin Tin Tin
  5. 8. Notorious scent tracker
  6. 10. Native dog of Cuba