Urstrom

The Urstrom is a geologists' name for a great glacial age river of the Polish and north German plain, which drained the combined melt-waters from the northern headwaters of the Alps and the southern part of the Scandinavian ice during the Devensian ice age.K Reicherter, N Froitzheim, M Jarosiński, J Badura, H-J Franzke, M Hansen, C Hübscher, R Müller, P Poprawa, J Reinecker, W Stackebrandt, T Boigt, H von Eynatten & W Zuchiewicz, "Alpine tectonics north of the Alps" in Tom McCann (ed), [https://books.google.com/books?id=0KXptTYvKv8C&pg=PA1234 The Geology of Central Europe: Mesozoic and Cenozoic], vol 2, Geological Society of London, 2008, Chap 19, pp 1233–1234