Mining properties consist of the following (in thousands):



March 31, 2013	Palmarejo			San Bartolomé			Kensington			Rochester			Martha			Endeavor			Joaquin		Other		Total
Mining properties	$	158,718		$	70,351		$	335,424		$	115,963		$	11,416		$	—		$	—	$	—	$	691,872
Accumulated depletion	(87,359		)	(19,349		)	(53,519		)	(100,844		)	(11,416		)	—			—		—		(272,487		)
	71,359			51,002			281,905			15,119			—			—			—		—		419,385
Mineral interests	1,658,389			26,642			—			—			—			44,033			93,430		—		1,822,494
Accumulated depletion	(248,942		)	(7,678		)	—			—			—			(15,449		)	—		—		(272,069		)
	1,409,447			18,964			—			—			—			28,584			93,430		—		1,550,425
Non-producing and development properties	—			—			—			—			—			—			—		142		142
Total mining properties	$	1,480,806		$	69,966		$	281,905		$	15,119		$	—		$	28,584		$	93,430	$	142	$	1,969,952



December 31, 2012	Palmarejo			San Bartolomé			Kensington			Rochester			Martha			Endeavor			Joaquin		Other		Total
Mining properties	$	155,722		$	70,322		$	333,619		$	114,973		$	11,416		$	—		$	—	$	—	$	686,052
Accumulated depletion	(82,037		)	(18,439		)	(46,649		)	(100,437		)	(11,416		)	—			—		—		(258,978		)
	73,685			51,883			286,970			14,536			—			—			—		—		427,074
Mineral interests	1,658,389			26,642			—			—			—			44,033			93,429		—		1,822,493
Accumulated depletion	(235,795		)	(7,338		)	—			—			—			(14,625		)	—		—		(257,758		)
	1,422,594			19,304			—			—			—			29,408			93,429		—		1,564,735
Non-producing and development properties	—			—			—			—			—			—			—		142		142
Total mining properties	$	1,496,279		$	71,187		$	286,970		$	14,536		$	—		$	29,408		$	93,429	$	142	$	1,991,951