The Millers had taken the lead just after half time but a last gasp goal from Harry Clifton handed the young Mariners side a deserved share of the spoils.
Town: Heath-Drury, Sibbick, Lawis, Venney, Crowther, Hough, Sawyer, Clifton, Lofts, Jennings, Wright.
Subs: Fawcett, Middleton, Finnegan.