The South Great Poland ice-sheet lobe representing the Warta Glaciation stretched from the Warsaw-Berlin pradolina that runs along the S2nd parallel (100 m above sea level) to the Wieluń Upland (272 m above sea level) ...

Closed depressions in Central Poland are different origin. Two main groups are anthropogenic and natural forms. Many genetic types of the latter can be indentified, e.g.: l. blow-outs accompanying dunes and their complexes; ...

During the transition period between Pleistocene and Holocene, from 20 000 to 8000 BC, river valleys were subject to the impact of vistulian ice-sheet or to the influence of periglacial climate. Their development was ...