The Kennecott Copper Mines, McCarthy Alaska

1982 PHOTOCOPY OF DRAWING OF POWER PLANT, DETAILS OF ROOF TRUSS, BOILER UNIT

1982 PHOTOCOPY OF DRAWING OF POWER PLANT, DETAILS OF ROOF TRUSS, BOILER UNIT

1982 PHOTOCOPY OF DRAWING OF POWER PLANT, GENERAL, ADDITION FOR DIESEL INSTALLATION

1982 PHOTOCOPY OF DRAWING OF POWER PLANT, SECTION, OCT. 13, 1911