SWFSC_id  UCSC_id  date_collected  lat    lon      d13C   d15N   
5607      PM1      1972-12         33.22  -117.35  -12.9  19.3   
2181      PM2      1993-12         32.47  -120.00  -17.0  18.0   
2364      nd       1994-04         35.40  -121.10  -16.2  17.0   
2365      nd       1994-05         34.58  -120.50  -16.0  17.2   
5754      nd       1996-07         45.72  -129.82  -16.9  16.9   
6223      PM3      1996-10         40.37  -128.20  -16.5  17.3   
8518      nd       1997-10         43.42  -124.22  -17.0  18.4   
8627      PM4      1997-10         35.15  -122.25  -16.4  17.2   
12147     PM2008   1998-11         36.02  -122.85  -16.4  17.4   
16574     PM5      2000-02         46.78  -124.08  -14.6  18.7   
25355     nd       2001-07         32.92  -121.12  -15.3  19.8   
25359     PM6      2001-08         33.35  -123.07  -17.0  16.2   
29876     nd       2002-09         46.85  -124.12  -16.8  17.4   
29878     nd       2002-10         46.97  -124.17  -17.2  16.8   
33725     PM7      2003-03         42.73  -124.47  -18.0  17.7   
38992     nd       2004-01         38.03  -122.93  -17.0  17.4   
44083     PM8      2004-11         37.85  -122.48  -17.5  14.1   
51415     nd       2005-07         38.82  -124.40  -17.4  15.8   
51423     nd       2005-07         38.82  -124.40  -18.0  15.0