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Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT

v3.4.0.3
PROPERTY, PLANT AND EQUIPMENT
 3 Months Ended
Mar. 31, 2016
Property, Plant and Equipment [Abstract] Ìý
PROPERTY, PLANT AND EQUIPMENT
NOTE 4 - PROPERTY, PLANT AND EQUIPMENT
The following table indicates the value of each of the major classes of our consolidated depreciable assets as of MarchÌý31, 2016 and DecemberÌý31, 2015:
Ìý
(In Millions)
Ìý
MarchÌý31,
2016
Ìý
DecemberÌý31,
2015
Land rights and mineral rights
$
500.5

Ìý
$
500.5

Office and information technology
57.9

Ìý
71.0

Buildings
60.5

Ìý
60.4

Mining equipment
597.4

Ìý
594.0

Processing equipment
519.4

Ìý
516.8

Electric power facilities
47.3

Ìý
46.4

Land improvements
24.8

Ìý
24.8

Asset retirement obligation
67.1

Ìý
87.9

Other
29.2

Ìý
28.2

Construction in-progress
42.9

Ìý
40.3

Ìý
1,947.0

Ìý
1,970.3

Allowance for depreciation and depletion
(937.4
)
Ìý
(911.3
)
Ìý
$
1,009.6

Ìý
$
1,059.0


We recorded depreciation and depletion expense of $33.8 million and $28.7 million in the Statements of Unaudited Condensed Consolidated Operations for the three months ended MarchÌý31, 2016 and MarchÌý31, 2015, respectively.