PROPERTY, PLANT, AND EQUIPMENT (Tables)

9 Months Ended

Sep. 30, 2013

Property, Plant and Equipment [Abstract]

Property, plant and equipment consisted of the following (in thousands):



	September 30,		December 31,
	2013		2012
Land	$	100,133	$	106,037
Asset retirement costs (non-landfill)	10,748		10,450
Landfill assets	93,104		77,952
Buildings and improvements	324,646		329,617
Camp equipment	135,377		135,827
Vehicles	419,581		385,172
Equipment	1,164,838		1,061,090
Furniture and fixtures	5,244		6,757
Construction in progress	129,385		31,780
	2,383,056		2,144,682
Less - accumulated depreciation and amortization	767,629		612,919
Total property, plant and equipment, net	$	1,615,427	$	1,531,763

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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