History of Mine Drainage Impact on Lake Orijärvi Algal Communities, SW Finland Salonen, Veli-Pekka ; Tuovinen, Nanna ; Valpola, Samu Abstract Publication: Journal of Paleolimnology Pub Date: February 2006 DOI: 10.1007/s10933-005-0483-z Bibcode: 2006JPall..35..289S