INVENTORIES

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

INVENTORIES

 INVENTORIES

Inventories consisted of the following:

	As of December 31,
	2015		2014
	($ in thousands)
Sand work in process	$	17,795	14,413
Sand finished goods	12,224		7,582
Refined fuels	10,289		8,031
Fuel raw materials and supplies	2,168		2,157
Sand raw materials and supplies	142		95
Total inventory	$	42,618	$	32,278