Within this association he performed extensive studies of flora in areas surrounding the Ohre and Aller Rivers.
The river then flows through the Weissenstadt Lake and the towns of Roeslau, Marktleuthen and Hohenberg where it leaves Germany.
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After about 35 km, the Eger (not to be confused with the town in Hungary), as the river is called in German, crosses the border into the Czech Republic to flow through parts of Bohemia which were known until 1945 as Egerland.
Ohre |
The road to Gardelegen still runs in a semi-circle on the embankment of the Ohre.
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Calvörde formed a key strongpoint in this regard because it lay at the southern end of the formerly impassable marshy forests of the Drömling at a point that used to be the key crossing of the Ohre river that on the road from Brunswick to the southern Altmark.