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Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT (Notes)

v3.20.2
PROPERTY, PLANT AND EQUIPMENT (Notes)
 6 Months Ended
Jun. 30, 2020
Property, Plant and Equipment [Abstract] Ìý
PROPERTY, PLANT AND EQUIPMENT
The following table indicates the carrying value of each of the major classes of our depreciable assets:
Ìý
(In Millions)
Ìý
JuneÌý30,
2020
Ìý
DecemberÌý31,
2019
Land, land improvements and mineral rights
$
653.2

Ìý
$
582.2

Buildings
454.4

Ìý
157.8

Steel and Manufacturing equipment
2,147.9

Ìý
42.0

Mining and Pelletizing equipment
1,448.6

Ìý
1,413.6

Other
123.4

Ìý
101.5

Construction-in-progress
1,058.3

Ìý
730.3

Total property, plant and equipment1
5,885.8

Ìý
3,027.4

Allowance for depreciation and depletion
(1,337.9
)
Ìý
(1,098.4
)
Property, plant and equipment, net
$
4,547.9

Ìý
$
1,929.0


1 Includes right-of-use assets related to finance leases of $93.7 million and $49.0 million as of JuneÌý30, 2020 and DecemberÌý31, 2019, respectively.
We recorded capitalized interest into property, plant and equipment of $13.6 million and $23.3 million during the three and six months ended JuneÌý30, 2020, respectively, and $5.9 million and $9.9 million for the three and six months ended JuneÌý30, 2019, respectively.
We recorded depreciation and depletion expense of $75.3 million and $110.7 million for the three and six months ended JuneÌý30, 2020, respectively, and $20.9 million and $40.5 million for the three and six months ended JuneÌý30, 2019, respectively.