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Alta Boulders are the largest class of sedimentary grain size (clast). They can be sculpted to create a wide variety of climbing holds. In addition to their aesthetic appeal, boulders have a high geotouristic potential. Erratic boulders such as Devil’s Stone in Kamienna Wola (1) and those in Radoszyce (3) and Wilkow (5) are easily […]

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