"Hyder Consulting were commissioned by Milford Haven Waterway Environmental Monitoring Steering Group (MHWEMSG) to collect, collate and present data associated with the water quality of Milford Haven Waterway" - from summary.
Quantification of inputs to Milford Haven by Heather Kitts. Published by Milford Haven Waterway Environmental Monitoring Steering Group in 1999. Publication and catalogue information, links to buy online and reader comments.