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, 2018
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
NOTE 6 - PROPERTY, PLANT AND EQUIPMENT
The following table indicates the value of each of the major classes of our consolidated depreciable assets:
 
(In Millions)
 
March 31,
2018
 
December 31,
2017
Land rights and mineral rights
$
549.6

 
$
549.6

Office and information technology
66.3

 
66.3

Buildings
85.5

 
86.8

Mining equipment
594.0

 
594.4

Processing equipment
619.8

 
617.0

Electric power facilities
57.0

 
57.0

Land improvements
23.6

 
23.7

Asset retirement obligation
16.9

 
19.2

Other
30.3

 
30.3

Construction in-progress
48.1

 
35.1

 
2,091.1

 
2,079.4

Allowance for depreciation and depletion
(1,043.8
)
 
(1,028.4
)
 
$
1,047.3

 
$
1,051.0


We recorded depreciation and depletion expense of $21.3 million and $22.6 million in the Statements of Unaudited Condensed Consolidated Operations for the three months ended March 31, 2018 and March 31, 2017, respectively.
As of March 31, 2018, based on the anticipated closure of the Asia Pacific Iron Ore operations we determined that we would not recover the value of certain long-lived assets at our Asia Pacific Iron Ore operations. As a result, we recorded an impairment of $2.6 million in Miscellaneous – net in the Statements of Unaudited Condensed Consolidated Operations.