Minnesota trivia this week!

5 questions this week.
Get them all right in one post without editing and $2000 in gameroom cash is yours.
Otherwise, each of them is worth $200.
1) The Root River Recreational trail is built on a old what?
2) Rochester is known for what?
3)Redwing is known for what?
4) Who makes 1919 rootbeer?
5) What town is 1919 rootbeer made in?
Good Luck!