Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT (Tables)

v2.4.0.6
PROPERTY, PLANT AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2012
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, 2012 and 2011:
 
(In Millions)
 
December 31,
 
2012
 
2011
Land rights and mineral rights
$
7,920.8

 
$
7,868.7

Office and information technology
92.4

 
66.8

Buildings
162.0

 
132.2

Mining equipment
1,290.7

 
1,323.8

Processing equipment
1,937.4

 
1,311.6

Railroad equipment
240.8

 
161.6

Electric power facilities
58.7

 
57.9

Port facilities
114.3

 
64.1

Interest capitalized during construction
20.8

 
22.5

Land improvements
43.9

 
30.4

Other
39.0

 
43.2

Construction in progress
1,123.9

 
612.8

 
13,044.7

 
11,695.6

Allowance for depreciation and depletion
(1,837.4
)
 
(1,291.5
)
 
$
11,207.3

 
$
10,404.1

Net Book Value of Land and Mineral Rights
The net book value of the land rights and mineral rights as of December 31, 2012 and 2011 is as follows:
 
(In Millions)
 
December 31,
 
2012
 
2011
Land rights
$
46.4

 
$
37.3

Mineral rights:
 
 
 
Cost
$
7,874.4

 
$
7,831.4

Less depletion
727.0

 
516.0

Net mineral rights
$
7,147.4

 
$
7,315.4