Rule 9. On the waters of Gull lake, sections 1, 2, and 12, T1S, R10W, Richland township, and sections 6, 7, 8, 17, 18, and 20, T1S, R9W, Ross township, Kalamazoo county, it is unlawful at any time to operate a vessel at a speed in excess of 40 miles per hour (64 kilometers per hour). (See R 281.708.10 covering that portion of Gull lake which lies in Barry county.)
Mich. Admin. Code R. 281.739.9