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Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT

v2.4.0.6
PROPERTY, PLANT AND EQUIPMENT
6 Months Ended
Jun. 30, 2012
PROPERTY, PLANT AND EQUIPMENT

NOTE 5 鈥� PROPERTY, PLANT AND EQUIPMENT

The following table indicates the value of each of the major classes of our consolidated depreciable assets as of June听30, 2012 and December听31, 2011:

听听 (In Millions)
听听 June听30,
2012
听听 December听31,
2011

Land rights and mineral rights

听听 听听$ 7,964.1听听 听听 听听 听听$ 7,918.9听听 听听

Office and information technology

听听 63.9听听 听听 听听 67.0听听 听听

Buildings

听听 144.7听听 听听 听听 132.2听听 听听

Mining equipment

听听 1,123.2听听 听听 听听 1,323.8听听 听听

Processing equipment

听听 1,998.3听听 听听 听听 1,441.8听听 听听

Railroad equipment

听听 241.5听听 听听 听听 164.3听听 听听

Electric power facilities

听听 58.2听听 听听 听听 57.9听听 听听

Port facilities

听听 125.0听听 听听 听听 64.1听听 听听

Interest capitalized during construction

听听 27.6听听 听听 听听 22.5听听 听听

Land improvements

听听 31.8听听 听听 听听 30.4听听 听听

Other

听听 32.5听听 听听 听听 43.2听听 听听

Construction in progress

听听 667.0听听 听听 听听 615.4听听 听听
听听

听听

听听 12,477.8听听 听听 听听 11,881.5听听 听听

Allowance for depreciation and depletion

听听 (1,595.7)听 听听 听听 (1,356.9)听 听听
听听

听听

听听 听听$ 10,882.1听听 听听 听听 听听$ 听听10,524.6听听 听听
听听

听听

We recorded depreciation and depletion expense of $125.8 million and $237.2 million in the Statements of Unaudited Condensed Consolidated Operations for the three and six months ended June听30, 2012, respectively. This compares with depreciation and depletion expense of $98.4 million and $170.1 million for the three and six months ended June听30, 2011.