PROPERTY AND EQUIPMENT

6 Months Ended

Jun. 30, 2019

PROPERTY AND EQUIPMENT

PROPERTY AND EQUIPMENT

NOTE 8.     PROPERTY AND EQUIPMENT

Property and equipment consisted of the following:

	June 30,		December 31,
$s in thousands	2019		2018
Cell development costs	$	147,059	$	146,155
Land and improvements		53,067		50,481
Buildings and improvements		91,743		91,358
Railcars		17,299		17,299
Vehicles and other equipment		162,388		154,014
Construction in progress		26,546		14,554
Total property and equipment		498,102		473,861
Accumulated depreciation and amortization		(232,482)		(215,418)
Property and equipment, net	$	265,620	$	258,443

Depreciation and amortization expense for the three months ended June 30, 2019 and 2018 was $9.1 million and $7.0 million, respectively. Depreciation and amortization expense for the six months ended June 30, 2019 and 2018 was $17.3 million and $13.6 million, respectively.