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Quarterly report pursuant to Section 13 or 15(d)

ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)

v2.4.0.8
ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)
 3 Months Ended
Mar. 31, 2014
Environmental Remediation Obligations [Abstract] Ìý
Summary Of Mine Closure Obligations
The following is a summary of the obligations as of MarchÌý31, 2014 and DecemberÌý31, 2013:
Ìý
(In Millions)
Ìý
MarchÌý31,
2014
Ìý
DecemberÌý31, 2013
Environmental
$
11.0

Ìý
$
8.4

Mine closure
Ìý
Ìý
Ìý
LTVSMC
22.2

Ìý
22.0

Operating mines:
Ìý
Ìý
Ìý
U.S. Iron Ore
136.4

Ìý
152.2

Eastern Canadian Iron Ore
74.6

Ìý
78.2

Asia Pacific Iron Ore
26.9

Ìý
25.5

North American Coal
35.2

Ìý
34.7

Total mine closure
295.3

Ìý
312.6

Total environmental and mine closure obligations
306.3

Ìý
321.0

Less current portion
5.6

Ìý
11.3

Long term environmental and mine closure obligations
$
300.7

Ìý
$
309.7

Asset Retirement Obligation Disclosure
The following represents a rollforward of our asset retirement obligation liability related to our active mining locations for the three months ended MarchÌý31, 2014 and for the year ended DecemberÌý31, 2013:
Ìý
(In Millions)
Ìý
MarchÌý31,
2014
Ìý
December 31, 2013 (1)
Asset retirement obligation at beginning of period
$
290.6

Ìý
$
231.1

Accretion expense
3.6

Ìý
18.1

Exchange rate changes
1.0

Ìý
(3.4
)
Revision in estimated cash flows
(22.1
)
Ìý
44.8

Payments
—

Ìý
—

Asset retirement obligation at end of period
$
273.1

Ìý
$
290.6

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(1)Ìý
Represents a 12-month rollforward of our asset retirement obligation at December 31, 2013.