Friends believe he struck the motor while under the boat.
The Wisconsin senator can't post for a week.
It's not clear what caused the 46-year-old to go under.
It happened in Renville County Friday evening.
Original plans for the parking lot included housing above it, but issues with construction prevented it from being built.
Grant was a critical piece of the 1965 AL Championship team but did much more.
The latest figures from MDH.
The tournament begins on Tuesday.
The tournament begins on Tuesday in Mankato.
The ban prohibits automatic or mechanical watering outdoors in an effort to conserve water during the period of extreme heat.
They're asking for the public's help tracking him down.
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