PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2015

PROPERTY AND EQUIPMENT

PROPERTY AND EQUIPMENT

NOTE 11. PROPERTY AND EQUIPMENT

Property and equipment as of December 31, 2015 and 2014 consisted of the following:

$s in thousands	2015			2014
Cell development costs	$	121,473		$	120,878
Land and improvements		31,606			33,002
Buildings and improvements		70,990			74,518
Railcars		17,375			17,375
Vehicles and other equipment		92,797			98,877
Construction in progress		20,067			10,831
Total property and equipment		354,308			355,481
Accumulated depreciation and amortization		(143,974	)		(127,797	)
Property and equipment, net	$	210,334		$	227,684

Depreciation and amortization expense was $27.9 million, $24.4 million and $14.8 million for the years ended December 31, 2015, 2014 and 2013, respectively.