1           2007-02-27.40  
 2           2007-03-02.43  
 3           2007-03-10.26  
 4           2007-03-11.30  
 5           2007-03-12.30  
 6           2008-06-06.45  
 7           1978-08-30.35  Harris & Young (1980) 
 8           1978-09-02.28  Harris & Young (1980) 
 9           1978-09-28.19  Schober & Schroll (1982) 
10           1978-09-28.15  Schober & Schroll (1982) 
11           1978-09-28.33  Schober & Schroll (1982) 
12           1984-01-05.89  di Martino et al. (1987) 
13           1984-01-09.88  di Martino et al. (1987) 
14           2010-09-05.03  
15           2010-09-12.02  
16           2010-09-27.99  
17           2010-09-28.99  
18           2010-09-30.01  
19           2010-10-02.91  
20           2010-10-07.90  
21           2012-03-24.88  
22           2012-03-25.05  
23           2012-03-26.97  
24           2012-03-26.97  
25           2012-03-27.89  
26           2012-03-28.97  
27           2012-03-29.89  
28           2012-04-01.90  
29           2012-04-02.89  
30           2007-02-27.40  
31  1998-02-24--2012-04-18  Lowell