The design of the official seal of the society shall be substantially as follows: a central group representing a covered immigrant wagon drawn by two yoke of oxen, showing prairie in the foreground, mountains in the background, and directly beneath it the figures "1865". The seal shall be 2 inches in diameter and surrounded by the words, "Montana Historical Society Seal".
Official Seal
Mont. Code Ann. § 22-3-109, under Historical Society.
Mont. Code Ann. § 22-3-109