Great Lakes Websites
- GLIN - Great Lakes Information Network
- Water Quanity and Use in the Great Lakes
- Great Lakes-St. Lawrence Hydrology
- Great Lakes Commission
- Water Resources Management System
- Great Lakes Environmental Research Lab/NOAA
- National Weather Service - Central Region
- Great Lakes Sea Grant Network
- Great Lakes Science Center - USGS
- Great Lakes Fishery Commission
- Sea Lamprey Control
- Great Lakes National Program Office - EPA
- US Army Corps of Engineers
- International Assoc. of Great Lakes Research
- International Joint Commission