Pictures 26 Bald Mountain Gold Mill, Lead South Dakota Tweet 1992 ORE BIN ON TRAM SPUR NORTH OF DECORAH MINE, VIEW FROM SOUTH. 1992 DECORAH MINE PORTAL FROM SOUTHEAST. 1992 DECORAH MINE PORTAL. NOTE 'PORTLAND' CAST IN CONCRETE ABOVE WOOD LINTEL. 1992 INTERIOR, DECORAH MINE. 1992 VIEW FROM SOUTH OF SWITCH NORTH OF CLINTON MINE. SWITCH LEADS FROM PORTLAND MINE AND DIVERGES FOR PASSING TRACK ON WAY TO MILL. 1992 MACHINERY FOUNDATION NORTH OF CLINTON MINE ON TRAMLINE TO DECORAH MINE, VIEW FROM SOUTH.