acquisition of Cyprus Amax by Phelps Dodge in
1999, Climax Molybdenum became a subsidiary of
Phelps Dodge Corporation. In 2007, following the
acquisition of Phelps Dodge, Climax Molybdenum
became a Freeport-McMoRan company.
If you wish to know more about the exciting history of the Climax mine and company, please refer
to "Climax – The History of Colorado’s Climax Molybdenum Mine, [ISBN 0-87842-354-0]" written by Stephen M. Voynick. Mr. Voynick’s book was published in 1996 by Mountain Press Publishing Company in Missoula, Montana.