Mont. Code Ann. § 76-5-104
In the event of doubt as to whether a depression is a watercourse or drainway, it shall be presumed to be a watercourse.
History: En. Sec. 3, Ch. 393, L. 1971; amd. Sec. 1, Ch. 294, L. 1973; amd. Sec. 195, Ch. 253, L. 1974; amd. Sec. 2, Ch. 271, L. 1974; R.C.M. 1947, 89-3503(part).