99a
Tistedalsfoss Power Plant
99b
99c
The stones come from Svanedammen, which was built in 1897 to supply water to sawmills, spinning mills, and smelting industry operations at Tistedalsfossen. The hydroelectric power plant at Tistedalsfoss was built in 1907.
Tistedalsfoss kraftverk – Store norske leksikon (snl.no)
Haldenvassdraget – Store norske leksikon
99d
99e
99f