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COMMITMENTS AND CONTINGENCIES: (Tables)

3 Months Ended

Mar. 31, 2019

COMMITMENTS AND CONTINGENCIES:

Schedule of environmental capital investments

Environmental capital investments in the three months ended March 31, 2019 and 2018 were as follows (in millions):

		2019			2018
Peruvian operations		$	10.2		$	6.5
Mexican operations			9.0			19.9
		$	19.2		$	26.4

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Tabular disclosure of environmental capital expenditures incurred during the period.

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