COMMITMENTS AND CONTINGENCIES: (Tables)

9 Months Ended

Sep. 30, 2024

COMMITMENTS AND CONTINGENCIES:

Schedule of environmental capital investments

Environmental capital investments in the nine-month period ended September 30, 2024 and 2023 were as follows (in millions):

	2024		2023
Peruvian operations	$	3.5	$	5.5
Mexican operations		133.2		72.1
	$	136.8	$	77.6