Do the Seattle Mariners play in a dome?

Related questions

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3. How much did tmobile pay for Safeco Field?
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5. Was there ever an NHL team in Seattle?
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Tags

1. #capacity
2. #retractable
3. #owned
4. #washington
5. #district
6. #facilities
7. #seating
8. #located
9. #public
10. #mariners
11. #seattle
12. #state
13. #baseball
14. #league
15. #operated
16. #stadium
17. #mobile
18. #major