Ottiliae Shaft -- Upper Harz Mining Museum -- Kaiser Wilhelm Shaft Clausthal -- Sperberhai Dam -- GeoMuseum Clausthal -- Schalke Pond Oberschulenberg -- Kellwassertal Outcrop -- Lower Oker Valley -- Käste Cliffs -- Lead Smelter and Tailings Dumps -- Greywacke in the Innerste Valley -- 19-Lachter-Stollen Wildemann -- "Lautenthals Glück" Mine -- Quarry at the Trogtal Mountain -- Maaßener Gaipel (Capstan) -- State Mining Inspectorate at Clausthal -- Geological Development of the Area