The Danube-Main switch system contains a total of three lakes, together with the Altmühlsee with a ring dam and two dams with Brombach and Rothsee, which include 5 dams on account of their pre-dams, three hydroelectric power plants on the dams and the Hilpoltstein lock, the canal routes to the Altmühlsee and from there to Brombachsee in addition to 27 different weirs on watercourses, a few of which have been expanded to accommodate larger water movement. The outdated grinding and sawmill with its three water wheels was replaced by the Bavarian state throughout the construction of the Kleiner Brombachsee and demolished in 1986. For 1837 we be taught that the Öfeleinsmühle is a grinding and (individually standing) sawmill that has two grinding aisles and a tanning aisle and that features virtually 2 days of ponds, a small vegetable garden, 33 days of arable land, 11.5 days of meadows and 108 Day's work consists of forest. West-Central Franconia, by which intensive agricultural use should not be attainable and comparatively little trade is located, was structurally supported through the simultaneous creation of an area recreation area for the Nuremberg metropolitan area.
