Features like frost-cracked stones and boulders, windpolished stones and sorted stones at the surface of an unvegetated geological reserve in the centre of The Netherlands are described and consequently interpreted as indicative of a Weichselian periglacial surface. Up to now this surface was interpreted as a Holocene abrasion platform.

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Grondboor & Hamer

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Nederlandse Geologische Vereniging

J.J.M. van der Meer, & E. Lagerlund. (2000). Het geologisch reservaat 'P. van der Lijn' bij Urk: een oppervlak uit de laatste ijstijd. Grondboor & Hamer, 54(5), 105–110.