Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT

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PROPERTY, PLANT AND EQUIPMENT
 6 Months Ended
Jun. 30, 2013
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
NOTE 5 - PROPERTY, PLANT AND EQUIPMENT
The following table indicates the value of each of the major classes of our consolidated depreciable assets as of June 30, 2013 and December 31, 2012:
 
(In Millions)
 
June 30,
2013
 
December 31, 2012
Land rights and mineral rights
$
7,807.6

 
$
7,920.8

Office and information technology
118.8

 
92.4

Buildings
184.9

 
162.0

Mining equipment
1,401.3

 
1,290.7

Processing equipment
2,069.5

 
1,937.4

Railroad equipment
218.9

 
240.8

Electric power facilities
62.1

 
58.7

Port facilities
100.7

 
114.3

Interest capitalized during construction
23.1

 
20.8

Land improvements
60.0

 
43.9

Other
37.5

 
39.0

Construction in progress
1,131.6

 
1,123.9

 
13,216.0

 
13,044.7

Allowance for depreciation and depletion
(2,026.4
)
 
(1,837.4
)
 
$
11,189.6

 
$
11,207.3


We recorded depreciation and depletion expense of $138.9 million and $274.9 million in the Statements of Unaudited Condensed Consolidated Operations for the three and six months ended June 30, 2013, respectively. This compares with depreciation and depletion expense of $125.8 million and $237.2 million for the three and six months ended June 30, 2012, respectively.
The accumulated amount of capitalized interest included within construction in progress at June 30, 2013 is $28.6 million, of which $13.8 million was capitalized during 2013. At December 31, 2012, $17.1 million of capitalized interest was included within construction in progress, of which $15.4 million was capitalized during 2012.