Westborough Wildlife Management Area (Field Trial Grounds) in the Towns of Westborough and Northborough, Massachusetts. (a) No person, except as associated with licensed field trials duly authorized on the area described below, shall ride, drive, lead or possess, or cause to be ridden, driven, led or possessed, any horse, mule, jackass, or other equine animal within the bounds or on any portion of the Westborough Wildlife Management Area or Field Trial Grounds, including that portion designated as the Beagle Training Area, in the Towns of Westborough and Northborough. Regulatory Authority: M.G.L. c. 131, § 6 and 321 CMR 3.01(1)(r).