From Wikipedia, the free encyclopedia
|This article does not cite any references or sources. (April 2008)|
Improving water quality
Changes in land development in Wilga River valley since 1980 has influenced advantageously the present condition of the water environment. The heavy metal concentration in the sediments on the river bed have decreased dramatically.
|This Masovian Voivodeship location article is a stub. You can help Wikipedia by expanding it.|