2015
1  
2015
Oct 1 Sep Zale minerea
2011 • 43.9N 71.6W New Hampshire, Grafton
 
2016
 
2016
 
2014
2 1 1 1 Apr Dec 2 3 Nov  
2013 • 38.9N 76.7W Maryland, Prince George's
Jun 2 10 5 1 May Feb  
2013
1  
2014 • 40.5N 75.6W Pennsylvania, Berks
 
2010 • 33.9N 83.3W Georgia, Clarke
4 Jul Mar 1  
2014 • 34.0N 83.4W Georgia, Clarke
 
2011
 
2014
 
2015 • 36.0N 82.2W North Carolina, Mitchell
 
2015
 
2012
Aug Jan 1