Site Drawings 6 The Kennecott Copper Mines, McCarthy Alaska

1982 PHOTOCOPY OF DRAWING CONCENTRATING MILL, FLOW SHEET, APRIL 1, 1924

1982 PHOTOCOPY OF DRAWING CONCENTRATING MILL, FLOW SHEET, APRIL 1, 1924

1982 PHOTOCOPY OF DRAWING, CONCENTRATING MILL, FLOW SHEET, APRIL 1, 1924

1982 PHOTOCOPY OF DRAWING, CONCENTRATOR, FLOW SHEET (no date)

1982 PHOTOCOPY OF DRAWING, CONCENTRATOR, FLOW SHEET, NOVEMBER 15, 1912
