December 31

(in millions)

2022

2021

Land and land improvements

$

1,519.2

$

1,530.1

Mineral reserves and interests

2,917.8

2,924.5

Buildings

164.1

169.6

Machinery and equipment

5,484.5

5,357.7

Construction in progress

338.5

162.2

Finance lease right-of-use assets

236.9

225.9

Total property, plant and equipment

10,661.0

10,370.0

Less: accumulated depreciation, depletion and amortization

(4,344.3

)

(4,032.0

)

Property, plant and equipment, net

$

6,316.7

$

6,338.0