1-4 of 4 Books

The Ballast Water Control Act
By United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine.
Progress toward improving water quality in the Great Lakes
Progress toward improving water quality in the Great Lakes
By United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment
Preventing waterborne disease
Preventing waterborne disease
By AWWA Satellite Teleconference (1994?)
The impact of aquatic invasive species on the Great Lakes
The impact of aquatic invasive species on the Great Lakes
By United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment