Rule 12. On the waters of Marble lake, section 32, town 6 south, range 5 west, Quincy township, Branch county, west of a line drawn from the point where the east line of lot 21, Like-Dee Paradise subdivision, as extended, meets the water's edge and thence northerly to the nearest opposite shore, it is unlawful for the operator of a vessel to exceed a slow-no wake speed.
Mich. Admin. Code R. 281.712.12