Explanatory Note
Title: Drilling and surveys
Includes drilling, surveys and samples for construction or for structural studies.
geophysical or geological nature.
Does not include:
Oil and gas extraction (06);
Drilling activities as support services for the extractive industry (09900);
Opening of water wells (42210);
Geothermal drilling (42210);
Mine excavation (43120);
Geophysical, geological and seismic surveys (71120);