Brie Peters placed 8th at the Sioux Falls Charger Invite. (Photos/Sara Stadem) Matt Larson | Big Sioux Media Brie Peters and Nate Hargreaves continue to have a solid season for the Tri-Valley Mustang varsity cross country team. The two ran at the Sioux Falls Charger Invitational on Tuesday, September 15th. Peters had another top 10…
