Exceptional economic impact and attendance numbers for Michigan City, Ind., from the 12th annual Great Lakes Grand Prix, https://www.speedonthewater.com/grea...michigan-city/
Exceptional economic impact and attendance numbers for Michigan City, Ind., from the 12th annual Great Lakes Grand Prix, https://www.speedonthewater.com/grea...michigan-city/
That's a heck of an influx of $$$$$