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Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT (Tables)

v3.19.1
PROPERTY, PLANT AND EQUIPMENT (Tables)
3 Months Ended
Mar. 31, 2019
Property, Plant and Equipment [Abstract] Ìý
Value Of Each Of The Major Classes Of Consolidated Depreciable Assets
The following table indicates the carrying value of each of the major classes of our depreciable assets:
Ìý
(In Millions)
Ìý
MarchÌý31,
2019
Ìý
DecemberÌý31,
2018
Land rights and mineral rights
$
549.6

Ìý
$
549.6

Office and information technology
70.5

Ìý
70.0

Buildings
87.4

Ìý
87.2

Mining equipment
568.4

Ìý
548.5

Processing equipment
660.9

Ìý
645.8

Electric power facilities
58.7

Ìý
58.7

Land improvements
23.8

Ìý
23.8

Asset retirement obligation
14.8

Ìý
14.8

Other
25.5

Ìý
25.2

Construction-in-progress
392.0

Ìý
284.8

Ìý
2,451.6

Ìý
2,308.4

Allowance for depreciation and depletion
(1,041.3
)
Ìý
(1,022.4
)
Ìý
$
1,410.3

Ìý
$
1,286.0