Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT (Tables)

v2.4.0.6
PROPERTY, PLANT AND EQUIPMENT (Tables)
9 Months Ended
Sep. 30, 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 September 30, 2012 and December 31, 2011:
 
(In Millions)
 
September 30, 2012
 
December 31, 2011
Land rights and mineral rights
$
7,952.1

 
$
7,868.7

Office and information technology
83.3

 
66.8

Buildings
143.0

 
132.2

Mining equipment
1,318.9

 
1,323.8

Processing equipment
1,839.4

 
1,311.6

Railroad equipment
224.3

 
161.6

Electric power facilities
58.8

 
57.9

Port facilities
112.1

 
64.1

Interest capitalized during construction
32.2

 
22.5

Land improvements
43.3

 
30.4

Other
31.9

 
43.2

Construction in progress
844.4

 
612.8

 
12,683.7

 
11,695.6

Allowance for depreciation and depletion
(1,653.0
)
 
(1,291.5
)
 
$
11,030.7

 
$
10,404.1