The Hop Brook Protection Association 2010 Annual Meeting will be held Tuesday, March 23rd at 7:30 PM at the Waysde Inn in the Ford Room (first floor). The public is welcome. Our speakers will be Dr. James Hauri, Professor of Environmental Science at Assumption College in Worcester, and Debbie Dineen, Town of Sudbury Conservation Agent.  Dr. Hauri will speak about the effect of harvesting aquatic pond weeds on dissolved oxygen in Carding Mill Pond where he and his students performed tests. Debbie Dineen will address policies of the Sudbury Conservation Commission re. wetlands regulations, dredging and pond restoration.