The Kennecott Copper Mines, McCarthy Alaska

1982 PHOTOCOPY OF DRAWING, CRUSHING PLANT & CONCENTRATOR

1982 PHOTOCOPY OF DRAWING, CONCENTRATOR, GENERAL, JIG SECTION

1982 PHOTOCOPY OF DRAWING, CONCENTRATOR, GENERAL, JIG SECTION

1982 PHOTOCOPY OF DRAWING, CONCENTRATOR, FLOORS IN TABLE SECTION

1982 PHOTOCOPY OF DRAWING, CONCENTRATING MILL, GENERAL SECTION OF ENTIRE MILL, CONSTRUCTION 1911-1912

1982 PHOTOCOPY OF DRAWING, CONCENTRATING MILL, GENERAL SECTION OF ENTIRE MILL, CONSTRUCTION 1911-1912