You are hereHome › John Santangelo Collection › Alma Hydraulic workings in 1880 Summary Full Description Subject(s): Hydraulic facilitiesMiners Date Created: 1880 Title: Alma Hydraulic workings in 1880. Date Created: 1880 Physical Form: Photographic printblack and white Extent: 7x5 in. Identifier(s): Accession Number: 1994.010.1629 Note(s): copy Subject(s): Hydraulic facilitiesMiners In Collections: John Santangelo Collection