Show FILM FEET UNDERGROUND The Thc In Industrial Moving Io in Picture com com- pany has just completed a double reel subject showing copper mining mining- These pictures were taken at the Calumet and ana Hecla m mines ne Michigan and in one in instance the artificial li lighting equipment equip equip- ment mont was operated feet below belowground belowground ground level Jc This j is the first time that work of this thiR nature has ever er been j attempted at such stich a depth Tho The results secured d are aro arid and the pictures will be used for educational purposes by mine owners and other people interested inter inter- est ested cd in the copper industry |