Page:On the Pollution of the Rivers of the Kingdom.djvu/52

46 his lead mines on the Wear and Tyne. The very day before I was there almost every pool in the Dovey contained dead sewen, and a large number were brought to me."

And Mr. Walpole, at page 68, observes;

"The Dovey, naturally one of the most important rivers in the kingdom, 35 miles long, and with a catchment basin of 264 square miles, is being terribly injured by two mines on one of its tributaries (the Twymin). When I was in Merionethshire last August the fish were lying dead in the river, poisoned by pollutions, miles below the point at which the "hush" enters the river."