ÐÇ¿Õ´«Ã½

Quarterly report pursuant to Section 13 or 15(d)

ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)

v2.4.1.9
ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)
 3 Months Ended
Mar. 31, 2015
Environmental Remediation Obligations [Abstract] Ìý
Summary Of Mine Closure Obligations
The following is a summary of the obligations as of MarchÌý31, 2015 and DecemberÌý31, 2014:
Ìý
(In Millions)
Ìý
MarchÌý31,
2015
Ìý
DecemberÌý31,
2014
Environmental
$
3.7

Ìý
$
5.5

Mine closure
Ìý
Ìý
Ìý
LTVSMC
23.2

Ìý
22.9

Operating mines:
Ìý
Ìý
Ìý
U.S. Iron Ore
121.8

Ìý
120.9

Asia Pacific Iron Ore
20.3

Ìý
21.5

Total mine closure
165.3

Ìý
165.3

Total environmental and mine closure obligations
169.0

Ìý
170.8

Less current portion
3.4

Ìý
5.2

Long term environmental and mine closure obligations
$
165.6

Ìý
$
165.6

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, 2015 and for the year ended DecemberÌý31, 2014:
Ìý
(In Millions)
Ìý
MarchÌý31,
2015
Ìý
December 31,
2014 (1)
Asset retirement obligation at beginning of period
$
142.4

Ìý
$
177.6

Accretion expense
1.2

Ìý
5.7

Exchange rate changes
(1.5
)
Ìý
(2.4
)
Revision in estimated cash flows
—

Ìý
(38.5
)
Asset retirement obligation at end of period
$
142.1

Ìý
$
142.4


(1) Represents a 12-month rollforward of our asset retirement obligation at December 31, 2014.