Quarterly report pursuant to Section 13 or 15(d)

ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)

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ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)
 9 Months Ended
Sep. 30, 2015
Environmental Remediation Obligations [Abstract]  
Summary Of Mine Closure Obligations
The following is a summary of the obligations as of September 30, 2015 and December 31, 2014:
 
(In Millions)
 
September 30,
2015
 
December 31,
2014
Environmental
$
4.3

 
$
5.5

Mine closure
 
 
 
LTVSMC
23.9

 
22.9

Operating mines:
 
 
 
U.S. Iron Ore
171.5

 
120.9

Asia Pacific Iron Ore
15.6

 
21.5

Total mine closure
211.0

 
165.3

Total environmental and mine closure obligations
215.3

 
170.8

Less current portion
3.4

 
5.2

Long term environmental and mine closure obligations
$
211.9

 
$
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 nine months ended September 30, 2015 and for the year ended December 31, 2014:
 
(In Millions)
 
September 30,
2015
 
December 31,
2014 (1)
Asset retirement obligation at beginning of period
$
142.4

 
$
177.6

Accretion expense
4.5

 
5.7

Exchange rate changes
(1.7
)
 
(2.4
)
Revision in estimated cash flows
41.9

 
(38.5
)
Asset retirement obligation at end of period
$
187.1

 
$
142.4


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