Regulation No. 30 - Hillsdale county
- Section R. 281.730.1 - Long lake; high-speed boating and water skiing hours
- Section R. 281.730.2 - Long lake, connecting channel; slow-no wake speed
- Section R. 281.730.3 - Carpenter lake; high-speed boating and water skiing prohibited
- Section R. 281.730.4 - Carpenter and Hemlock lakes, connecting channels; slow-no wake speed
- Section R. 281.730.5 - Hemlock lake; high-speed boating and water skiing hours
- Section R. 281.730.6 - Goose lake; high-speed boating and water skiing hours
- Section R. 281.730.7 - Little Goose lake and canal; slow-no wake speed
- Section R. 281.730.8 - Bird lake; hours for slow-no wake speed
- Section R. 281.730.9 - Pike lake; slow-no wake speed
- Section R. 281.730.10 - Lake Pleasant; hours for high-speed boating and water skiing
- Section R. 281.730.11 - Lake Diane; hours for high-speed boating and water skiing