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Sztoła exploration on the last winter day.

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28 February I took day off on my work, to explore small river Sztoła, a tributary of Biała Przemsza. Polish river name Sztoła originated from German word "stollen" (adit in English), type of horizontal mining shaft. The water in the river coming from underground from mining drainage, here's the name. Sztoła has very winding course. There's few observation points on the top of sand cliffs, and foot trail going along these spectacular viewpoints. From fishing prospective, Sztoła was a home for native brown trout. Unfortunately, water in the river is very milky and turbid, due to wastewater from mining enterprise. There were efforts by nature conservation organization "Przyiacele Białej Przemszy" to restore habitat in the river, by creating spawning grounds for trout in the lower section of the river. Fine gravel was brought to the river and new spawning cite created in 2011. Unfortunately, according to Przyjacele web page, it served only one y

An expedition to Jurassic rivers

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There's a geological formation in Poland, called Kraków-Częstochowa Upland , also known as the Polish Jurassic Highland or simply Jura . The term related to Jurassic geologic period. There are a number of rivers that originate from the Jura, among them the Warta, Biała Przemsza, Pilica, Dłubnia, Szreniawa, Prądnik, Wiercica . Jurassic rivers have something in common. In their upper part, they are mostly small streams, 3-15 m in width. Bottom is sandy with patches of gravel.  Access to the water is challenging for fly fisherman. Banks are covered by dense bushes, or forest, and there's a lot of logjams in the stream flow. Warta is one of the longest Polish rivers. It's length is 808 km. But in the upper part it is a typical small trout stream. Before this trip, I investigated access points to the Warta in Google maps. It is not easy task. River is surrounded by dense bushes , and there's a lot of private property around, and no paved roads going to the river, wit