Keywords: 30. PHOTOCOPY OF DRAWING OF POWER PLANT, DETAILS OF ROOF TRUSS, BOILER UNIT - Kennecott Copper Corporation, On Copper R - LOC - hhh.ak0003.photos.001003p.jpg en 30 PHOTOCOPY OF DRAWING OF POWER PLANT DETAILS OF ROOF TRUSS BOILER UNIT - Kennecott Copper Corporation On Copper River Northwestern Railroad Kennicott Valdez-Cordova Census Area AK LOC-image hhh ak0003/photos 001003p Unknown employee of the United States government http //www loc gov/rr/print/res/114_habs html Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscape Survey Collection Rights and Restrictions Information 150px HABS-source PD-USGov Technical drawings of Kennecott Alaska |