Rule 10. On the waters of Gull lake, section 36, T1N, R10W, Prairieville township, and section 31, T1N, R9W, Barry township, Barry 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 281.739.9 covering that portion of Gull lake which lies in Kalamazoo county.)
Mich. Admin. Code R. 281.708.10