December 31

(in millions)

2023

2022

Land and land improvements

$

1,599.0

$

1,519.2

Mineral reserves and interests

2,982.4

2,917.8

Buildings

160.3

164.1

Machinery and equipment

5,379.7

5,484.5

Construction in progress

333.0

338.5

Finance lease right-of-use assets

253.5

236.9

Total property, plant and equipment

10,707.9

10,661.0

Less: accumulated depreciation, depletion and amortization

(4,522.0

)

(4,344.3

)

Property, plant and equipment, net

$

6,185.9

$

6,316.7