CoupeTechnique IndependantRecorder email address of the provider registered in the sites list registered in the boreholes list free text that specifies the reference point used to calculate the saved depth in the column relative_z depth in meters calculated by reference to the reference point dd/mm/yyyy hh:mm:ss in m/s in mm in mm in m3/h registered in the tubing materials nature list registered in the tubing materials nature list in mm in mm in mm registered in the tubing materials nature list url of the image of the borehole French NGF altitude (estimated above sea level) in meters of the point used to define the depths