Contested races for three Dawson County government positions are expected to be decided as voters go to the polls Tuesday in both the Republican and Democratic party primaries.All balloting in Dawson County will be conducted at the Dawson County election office located on the west side of Lamesa’s downtown courthouse square.Polls will be open from 7 a.m. to 7 p.m. As of 11 a.m. Thursday, a total of 840 local voters had cast their ballots during the early-voting period which was ending at 6 p.m. Friday, according to Dawson County Elections Administrator Ashley Rodriguez.That total includes voters in both the ...