Allerbach, alternative name for the Wallesbach, headstream of the Todbach in Hirstein and Namborn, Kreis St. Wendel, Saarland
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Allerbach, alternative name for the Todbach, tributary of the Blies in St. Wendel, county of St. Wendel, Saarland
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Allerbach (Rappbode), tributary of the Rappbode (Rappbode Dam), near Trautenstein, county of Harz, Saxony-Anhalt
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Allerbach (Bewer), tributary of the Bewer, near Deitersen, county of Northeim, Lower Saxony