Senior Ashleigh Rushing (222) led the way for the Salukis with her fifth-place finish.
Round two was suspended due to darkness and will be concluded before round three on Tuesday.
This is the sixth tournament win for Alexis Mihelich in just her third season as head coach.
Southern shot a second-round 291, the third-best team round in Saluki women's golf history.
Southern is looking to bounce back after a 14th-place finish at the Marilynn Smith/Sunflower Invitational at Kansas State last week.
2012-13 (Freshman): Played in all 12 tournaments...Fifth on the team with a 82.2 stroke average...Tied for 18th at the MVC Championship...Posted season-best rounds of 77 on three occasions...Posted 10 rounds in the 70s...Named WGCA All-American Scholar.
High School: Four-time All-Conference selection...Three-time Sectional medalist...Two-time State finalist...Set nine-hole (32) and 18-hole (70) school records as a senior...Three-time scholar-athlete selection.
Personal: Full given name is Mattie Elizabeth Lindner...Daughter of Mary and Russell Lindner...Born Jan. 4, 1994, in Indianapolis, Ind.