From the Lake of Constance in the south to the river Neckar in the north is a portion of the Black Forest or Schwarzwald, which is divided by the valley of the Kinzig into two districts of different elevation.
Beginning with the Black Forest (Schwarzwald), we find its southern heights decline to the valley of the Rhine, above Basel, and to the Jura.
Of the mountain ranges (as Duchies Schwarzwald, Thuringerwald, Brunswick &c.).
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