| Field Name | Type | Esri Type |
| Echosounder_Test_Sites_Lines.Location | string | esriFieldTypeString |
| Echosounder_Test_Sites_Centers.ZCoord | number | esriFieldTypeDouble |
| Echosounder_Test_Sites_Lines.Shape_Length | number | esriFieldTypeDouble |
| Echosounder_Test_Sites_Lines.Heading | integer | esriFieldTypeSingle |
| Echosounder_Test_Sites_Lines.Length_m | integer | esriFieldTypeSingle |
| Echosounder_Test_Sites_Lines.InvHeading | integer | esriFieldTypeSingle |
| Echosounder_Test_Sites_Lines.LineID | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.OBJECTID | integer | esriFieldTypeInteger |
| Echosounder_Test_Sites_Lines.File | string | esriFieldTypeString |
| Echosounder_Test_Sites_Centers.XCoord | number | esriFieldTypeDouble |
| Echosounder_Test_Sites_Lines.CruiseID | string | esriFieldTypeString |
| Echosounder_Test_Sites_Centers.OBJECTID | integer | esriFieldTypeOID |
| Echosounder_Test_Sites_Lines.FileName | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.Quality | string | esriFieldTypeString |
| Echosounder_Test_Sites_Centers.Shape | | esriFieldTypeGeometry |
| Echosounder_Test_Sites_Lines.Year | integer | esriFieldTypeSmallInteger |
| Echosounder_Test_Sites_Lines.Ship | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.Notes | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.Ocean | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.System | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.Report | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.Org | string | esriFieldTypeString |
| Echosounder_Test_Sites_Centers.YCoord | number | esriFieldTypeDouble |
| Echosounder_Test_Sites_Lines.Descrip | string | esriFieldTypeString |
| Echosounder_Test_Sites_Centers.FileName | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.Test | string | esriFieldTypeString |
| Echosounder_Test_Sites_Lines.Length_km | integer | esriFieldTypeSingle |
| Echosounder_Test_Sites_Lines.Depth | string | esriFieldTypeString |