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INVENTORIES
12 Months Ended
Dec. 31, 2015
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Inventories consisted of the following:
 
December 31,
 
2015
 
2014
 
(Thousands of Dollars)
Crude oil and refined petroleum products
$
30,154

 
$
46,733

Materials and supplies
8,595

 
8,980

Total
$
38,749

 
$
55,713


We purchase crude oil and refined petroleum products for resale. Our refined petroleum products consist of intermediates, gasoline, distillates and other petroleum products. Materials and supplies mainly consist of blending and additive chemicals and maintenance materials used in our pipeline and storage segments.