Why did Alcatraz shut down?

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Tags

1. #because
2. #after
3. #anglins
4. #march
5. #morris
6. #operation
7. #alcatraz
8. #close
9. #operating
10. #years
11. #before
12. #closure
13. #three
14. #expensive
15. #institution
16. #closed
17. #prison
18. #disappearance
19. #disappeared
20. #decision
21. #continue