drop_name          ISO_DateTime_deploy  ISO_DateTime_recover  lat        lon          dilution  colonies_plate_1  colonies_plate_2  avg_CFUs_per_mL  
Leggo1             2014-12-16T09:00:00  2014-12-16T19:26:00   11.36639   142.432555   10^-1     133               nd                1330             
Leggo1             2014-12-16T09:00:00  2014-12-16T19:26:00   11.36639   142.432555   10^-2     12                27                1950             
Leggo3_amphipods   2014-12-18T13:14:00  2014-12-19T10:14:00   11.36854   142.587517   10^-1     19                75                470              
Leggo3_amphipods   2014-12-18T13:14:00  2014-12-19T10:14:00   11.36854   142.587517   10^-2     0                 0                 0