Families in a South Dakota neighborhood are fearing for their safety as sinkholes have appeared around their homes in the area above an old underground mine.

Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota stand out, said Paul Santi, a professor of geological engineering at

It marked his second score from a kickoff return in three games. "It was pretty electric," South Dakota football coach Bob Nielson said. "I'm not sure how many teams are going to kick the ball to us from here on after those two returns.

TV channel and live stream links for the Sept. 21 South Dakota Coyotes vs. Drake Bulldogs Week 4 college football matchup.