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Although media reports suggest that there always has been public concern over the health of the Chesapeake Bay, this is a fairly recent phenomenon. For centuries people saw the bay as a bottomless sink for waste products--a natural decomposer with the ability to freshen itself with ocean inflows. Not until human health and livelihood seemed threatened did people begin to think seriously about management by such methods as treating sewage and limiting seafood harvests. Chesapeake Waters chronicles four centuries of public attitudes about the bay--and legislative responses to them--from 1607,...