Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT (Tables)

v2.4.1.9
PROPERTY, PLANT AND EQUIPMENT (Tables)
 12 Months Ended
Dec. 31, 2014
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 December 31, 2014 and 2013:
 
(In Millions)
 
December 31,
 
2014
 
2013
Land rights and mineral rights
$
590.2

 
$
7,819.6

Office and information technology
75.5

 
125.7

Buildings
65.6

 
255.2

Mining equipment
732.6

 
1,819.3

Processing equipment
567.4

 
2,148.6

Electric power facilities
48.8

 
114.3

Land improvements
25.5

 
69.3

Other
60.8

 
227.6

Construction in-progress
51.3

 
991.3

 
2,217.7

 
13,570.9

Allowance for depreciation and depletion
(802.8
)
 
(2,417.5
)
 
$
1,414.9

 
$
11,153.4

Book Value of Land and Mineral Rights Disclosure [Table Text Block]
The net book value of the land rights and mineral rights as of December 31, 2014 and 2013 is as follows:
 
(In Millions)
 
December 31,
 
2014
 
2013
Land rights
$
31.9

 
$
46.3

Mineral rights:

 

Cost
$
558.3

 
$
7,773.3

Depletion
(101.3
)
 
(942.6
)
Net mineral rights
$
457.0

 
$
6,830.7