Mont. Code Ann. § 7-14-2124
(1) Crushed rock or gravel not directly used or needed by the county in the construction, repair, or maintenance of its roads may be sold by the board of county commissioners at not less than actual cost of production to only a:
History: En. Sec. 5-106, Ch. 197, L. 1965; R.C.M. 1947, 32-2806(3); amd. Sec. 1, Ch. 198, L. 2013.