Changes to the reclamation and closure cost obligations are as follows:



	Rainy	New		Cerro San
(in millions of U.S. dollars)	River	Afton	Mesquite	Pedro	Blackwater	Total
CHANGES TO RECLAMATION AND CLOSURE COST OBLIGATIONS
Balance - December 31, 2017	63.4	11.6	20.5	19.2	9.4	124.1
Reclamation expenditures	(0.3)	—	—	(0.9)	—	(1.2)
Unwinding of discount	1.5	0.2	0.4	0.1	0.2	2.4
Revisions to expected cash flows	(6.1)	(0.3)	(0.9)	1.5	(0.5)	(6.3)
Foreign exchange movement	(4.9)	(0.8)	—	0.1	(0.8)	(6.4)
Less: amounts reclassified as held for sale and sold	—	—	(20.0)	—	—	(20.0)
Balance - December 31, 2018	53.6	10.7	—	20.0	8.3	92.6
Less: current portion of closure costs (Note 7)	—	—	—	(6.5)	—	(6.5)
Non-current portion of closure costs	53.6	10.7	—	13.5	8.3	86.1
Balance - December 31, 2018	53.6	10.7	—	20.0	8.3	92.6
Reclamation expenditures	(0.2)	—	—	(8.6)	—	(8.8)
Unwinding of discount	1.1	0.2	—	1.2	0.2	2.7
Revisions to expected cash flows	9.7	6.4	—	(0.6)	0.5	16.0
Foreign exchange movement	2.8	0.7	—	0.6	0.4	4.5
Balance - December 31, 2019	67.0	18.0	—	12.6	9.4	107.0
Less: current portion of closure costs (Note 7)	(1.4)	—	—	(10.9)	—	(12.3)
Non-current portion of closure costs	65.6	18.0	—	1.7	9.4	94.7