Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT (Tables)

v3.3.0.814
PROPERTY, PLANT AND EQUIPMENT (Tables)
 9 Months Ended
Sep. 30, 2015
Property, Plant and Equipment [Abstract]  
Value Of Each Of The Major Classes Of Consolidated Depreciable Assets
The following table indicates the value of each of the major classes of our consolidated depreciable assets as of September 30, 2015 and December 31, 2014:
 
(In Millions)
 
September 30,
2015
 
December 31,
2014
Land rights and mineral rights
$
500.6

 
$
500.5

Office and information technology
68.5

 
73.7

Buildings
60.1

 
59.8

Mining equipment
583.8

 
585.1

Processing equipment
514.4

 
510.2

Electric power facilities
46.4

 
46.8

Land improvements
24.8

 
24.7

Other
99.8

 
55.0

Construction in-progress
34.5

 
14.4

 
1,932.9

 
1,870.2

Allowance for depreciation and depletion
(880.3
)
 
(799.7
)
 
$
1,052.6

 
$
1,070.5