Mining properties consist of the following (in thousands):



September 30, 2012	Palmarejo			San Bartolomé			Kensington			Rochester			Martha			Endeavor			Other		Total
Mining properties	$	151,373		$	70,099		$	331,697		$	114,639		$	11,416		$	—		$	—	$	679,224
Accumulated depletion	(74,974		)	(17,602		)	(39,204		)	(99,773		)	(11,416		)	—			—		(242,969		)
	76,399			52,497			292,493			14,866			—			—			—		436,255
Mineral interests	1,658,389			26,642			—			—			—			44,033			—		1,729,064
Accumulated depletion	(221,027		)	(7,015		)	—			—			—			(14,168		)	—		(242,210		)
	1,437,362			19,627			—			—			—			29,865			—		1,486,854
Non-producing and development properties	—			—			—			—			—			—			142		142
Total mining properties	$	1,513,761		$	72,124		$	292,493		$	14,866		$	—		$	29,865		$	142	$	1,923,251



December 31, 2011	Palmarejo			San Bartolomé			Kensington			Rochester			Martha			Endeavor			Other		Total
Mining properties	$	134,296		$	68,684		$	321,456		$	112,826		$	12,643		$	—		$	—	$	649,905
Accumulated depletion	(53,060		)	(14,989		)	(27,160		)	(97,834		)	(10,373		)	—			—		(203,416		)
	81,236			53,695			294,296			14,992			2,270			—			—		446,489
Mineral interests	1,658,389			26,642			—			—			—			44,033			—		1,729,064
Accumulated depletion	(158,627		)	(6,007		)	—			—			—			(10,034		)	—		(174,668		)
	1,499,762			20,635			—			—			—			33,999			—		1,554,396
Non-producing and development properties	—			—			—			—			—			—			142		142
Total mining properties	$	1,580,998		$	74,330		$	294,296		$	14,992		$	2,270		$	33,999		$	142	$	2,001,027