Subject :
Acid pollution of rivers, lakes, etc.- Scotland- Fleet, Loch (Dumfries and Galloway),Water quality management- Scotland- Fleet, Loch (Dumfries and Galloway),Lake renewal- Scotland- Fleet, Loch (Dumfries and Galloway),Lake ecology- Scotland- Fleet, Loch (Dumfries and Galloway),Neutralization (Chemistry),Lime
ADDED ENTRIES :
Howells, Gwyneth Parry,Dalziel, T. R. K