1           2006-11-13.04  
 2           2007-01-01.08  
 3           2007-01-03.15  
 4           2007-01-07.11  
 5           2007-01-10.15  
 6           2007-01-16.15  
 7           1980-04-11.28  Harris & Young (1989) 
 8           1980-04-20.23  Harris & Young (1989) 
 9           2011-09-19.32  
10           2011-09-21.34  
11           2011-09-26.33  
12           2011-10-02.31  
13           2011-10-07.28  
14           2011-10-15.27  
15           2011-10-16.27  
16           2011-10-20.26  
17           2011-10-27.28  
18           2011-10-31.22  
19  1998-04-18--2012-02-02  Lowell