Cross-posted from Minnesota Progressive Project
SurveyUSA (10/14, likely voters, 9/15 in parentheses):
Mark Dayton (D): 42 (38) Tom Emmer (R): 37 (36) Tom Horner (I): 14 (18) Undecided: 4 (4) (MoE: ±3.7%)
This is confirmation of where the current average has the race, although there are a few things about the poll itself worth pointing out.