2. STREAM AND ROYALTY INTERESTS, NET

The following tables summarize the Company’s stream and royalty interests, net as of September 30, 2017 and June 30, 2017.


As of September 30, 2017 (Amounts in thousands):	Cost		Accumulated Depletion		Net
Production stage stream interests:
Mount Milligan	$	790,635	$	(123,427)	$	667,208
Pueblo Viejo		610,404		(79,801)		530,603
Andacollo		388,182		(43,722)		344,460
Wassa and Prestea		146,475		(28,695)		117,780
Total production stage stream interests		1,935,696		(275,645)		1,660,051
Production stage royalty interests:
Voisey's Bay		205,724		(85,671)		120,053
Peñasquito		99,172		(35,882)		63,290
Holt		34,612		(20,103)		14,509
Cortez		20,878		(10,879)		9,999
Other		483,643		(343,722)		139,921
Total production stage royalty interests		844,029		(496,257)		347,772
Total production stage stream and royalty interests		2,779,725		(771,902)		2,007,823

Development stage stream interests:
Rainy River		175,727		—		175,727
Other		12,031		—		12,031
Total development stage stream interests		187,758		—		187,758

Development stage royalty interests:
Pascua-Lama		380,657		—		380,657
Cortez		59,803		—		59,803
Other		63,811		—		63,811
Total development stage royalty interests		504,271		—		504,271
Total development stage stream and royalty interests		692,029		—		692,029
Total exploration stage royalty interests		152,746		—		152,746
Total stream and royalty interests	$	3,624,500	$	(771,902)	$	2,852,598


As of June 30, 2017 (Amounts in thousands):	Cost		Accumulated Depletion		Net
Production stage stream interests:
Mount Milligan	$	790,635	$	(114,327)	$	676,308
Pueblo Viejo		610,404		(67,149)		543,255
Andacollo		388,182		(39,404)		348,778
Wassa and Prestea		146,475		(22,715)		123,760
Total production stage stream interests		1,935,696		(243,595)		1,692,101
Production stage royalty interests:
Voisey's Bay		205,724		(85,671)		120,053
Peñasquito		99,172		(34,713)		64,459
Holt		34,612		(19,669)		14,943
Cortez		20,873		(10,633)		10,240
Other		483,643		(337,958)		145,685
Total production stage royalty interests		844,024		(488,644)		355,380
Total production stage stream and royalty interests		2,779,720		(732,239)		2,047,481
Development stage stream interests:
Rainy River		175,727		—		175,727
Other		12,031		—		12,031
Total development stage stream interests		187,758		—		187,758
Development stage royalty interests:
Pascua-Lama		380,657		—		380,657
Cortez		59,803		—		59,803
Other		63,811		—		63,811
Total development stage royalty interests		504,271		—		504,271
Total development stage stream and royalty interests		692,029		—		692,029
Total exploration stage royalty interests		152,746		—		152,746
Total stream and royalty interests	$	3,624,495	$	(732,239)	$	2,892,256