In all districts within the St. Croix Riverway, the following uses or expansion of existing uses shall be prohibited:
(A) Sand and gravel operations;
(B) Junk yards;
(C) Mobile home parks;
(D) Downhill ski areas;
(E) Marinas upstream from the Boomsite Highway wayside and downstream from Stillwater in rural districts; and
(F) All uses not authorized in the local zoning ordinances.
(Prior Code, Ch. 302 § 505.01)