Wieprz-Krzna Canal
The Wieprz-Krzna Canal , in Polish: Kanał Wieprz-Krzna , is a 140 km long melioration canal in south-eastern Poland. It was laid out from 1954 to 1961, is less than four meters wide and not navigable. He takes water from the Wieprz and feeds it to the Krzna .