Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT

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PROPERTY AND EQUIPMENT
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT PROPERTY AND EQUIPMENT
          Property and equipment consisted of the following:
($ in thousands)
December 31,
2021 2020
Land
$ 10,551  $ 10,551 
Buildings
30,045  29,312 
Equipment and vehicles
1,248,464  1,242,698 
Leasehold improvements
8,159  8,035 
Subtotal
1,297,219  1,290,596 
Less accumulated depreciation
(488,725) (410,119)
Property and equipment — net
$ 808,494  $ 880,477 
          During the years ended December 31, 2021 and 2020 and 2019, our depreciation expense was $133.4 million, $153.3 million and $145.3 million respectively.