HART — The Michigan State Police responded to three separate crashes in Mason County over the weekend: Friday, Dec. 5, 2014 – 8:13 p.m., one-car property damage accident, Custer and Fountain roads, Sherman Twp. – 9:40 p.m., car-deer crash, US-31 and US-10, Amber Twp. Sunday, Dec 7, 2014 – 6:45 p.m., car-deer crash, US-31 and Scottville Rd, Amber Twp. The…