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Accrued Liabilities - Third Parties
3 Months Ended
Mar. 31, 2017
Payables and Accruals [Abstract]  
Accrued Liabilities - Third Parties
Accrued Liabilities - Third Parties

Accrued liabilities - third parties consist of the following as of the dates indicated:
 
 
 
March 31, 2017
 
December 31, 2016
Transportation, project engineering
 
$
9.5

 
$
3.5

Property taxes
 
2.1

 
0.6

Professional fees
 
0.4

 
0.3

Other accrued liabilities
 
0.7

 
1.2

Accrued liabilities - third parties
 
$
12.7

 
$
5.6


 
For a discussion of accrued liabilities - related parties, see Note 2—Related Party Transactions.