Keywords: 54. PHOTOCOPY OF DRAWING AMMONIA LEACHING PLANT FLOW DIAGRAM, REPRESENTING ONE COMPLETE CYCLE - Kennecott Copper Corpor - LOC - hhh.ak0003.photos.001027p.jpg en 54 PHOTOCOPY OF DRAWING AMMONIA LEACHING PLANT FLOW DIAGRAM REPRESENTING ONE COMPLETE CYCLE - Kennecott Copper Corporation On Copper River Northwestern Railroad Kennicott Valdez-Cordova Census Area AK LOC-image hhh ak0003/photos 001027p 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 |