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Inventories

9 Months Ended

Sep. 30, 2017

4.INVENTORIES

Inventories consisted of the following as of September 30, 2017 and December 31, 2016:


		September 30,			December 31,
		2017			2016
Aggregate stockpiles		$	122,508		$	103,073
Finished goods			34,269			35,071
Work in process			7,685			6,440
Raw materials			17,322			13,095
Total		$	181,784		$	157,679

Summit Materials, LLC

4.INVENTORIES

Inventories consisted of the following as of September 30, 2017 and December 31, 2016:


		September 30,			December 31,
		2017			2016
Aggregate stockpiles		$	122,508		$	103,073
Finished goods			34,269			35,071
Work in process			7,685			6,440
Raw materials			17,322			13,095
Total		$	181,784		$	157,679