OsmoSampler_name    date_deployed    date_recovered    lat_approx  lon_approx  location      
red                 2013-12-18       2014-12-01        9.09        -87.10      Marker_K      
green               2013-12-18       2014-12-01        9.09        -87.10      Marker_K      
blue                2013-12-13       2014-12-03        9.09        -87.10      Marker_A      
black               2013-12-21       2014-12-05        9.09        -87.10      Marker_H-M