Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT

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PROPERTY, PLANT AND EQUIPMENT
 3 Months Ended
Mar. 31, 2014
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 March 31, 2014 and December 31, 2013:
 
(In Millions)
 
March 31,
2014
 
December 31, 2013
Land rights and mineral rights
$
7,841.1

 
$
7,819.6

Office and information technology
126.1

 
125.7

Buildings
269.8

 
255.2

Mining equipment
1,624.1

 
1,600.3

Processing equipment
2,199.2

 
2,148.6

Railroad equipment
315.6

 
219.0

Electric power facilities
116.2

 
114.3

Port facilities
103.2

 
99.4

Interest capitalized during construction
23.9

 
23.8

Land improvements
54.6

 
69.3

Other
94.7

 
104.4

Construction in-progress
896.1

 
991.3

 
13,664.6

 
13,570.9

Accumulated depreciation and depletion
(2,578.6
)
 
(2,417.5
)
 
$
11,086.0

 
$
11,153.4


We recorded depreciation and depletion expense of $138.4 million in the Statements of Unaudited Condensed Consolidated Operations for the three months ended March 31, 2014. This compares with depreciation and depletion expense of $135.9 million for the three months ended March 31, 2013.
The accumulated amount of capitalized interest included within construction in-progress at March 31, 2014 is $30.8 million, of which $0.6 million was capitalized during 2014. At December 31, 2013, $31.4 million of capitalized interest was included within construction in-progress, of which $17.4 million was capitalized during 2013.