Non-ferrous metal mining in the Black Forest continued until the middle of the 20th century near Wildschapbach and on the Schauinsland (to 1954); fluorite and baryte are still mined today at the Clara Pit in the Rankach valley in Oberwolfach. Iron ores of the Dogger formation was worked until the 1970s near Ringsheim and was smelted in Kehl.