Leitud tegevusalad:
Eelistatud märksõnad:
- artesian wells,
- building geology,
- clay,
- concrete shivers,
- dolomite,
- drilling,
- drillwork,
- earthwork,
- earthworks,
- ecology,
- excavation,
- flagstone,
- geodesy,
- gravel,
- land-surveying,
- limestone,
- mineral resources,
- repair of artesian wells,
- sand,
- sand sale,
- searches for mineral wealth,
- shivers,
- subsoil researches,
- turf,
- water supply,
COUNTIES:
Partners: