Welcome to Dr. Donié Geo-Consult GmbH Our Services Consulting - Exploration - Expertises Geological-Geophysical Investigation Campaigns on Land and Water Site Investigation Cavity Detection Route Reconnaissance (Pipelines, Canals, Lines) Line and Object Location Water Development Landfills / Deposit Sites Reservoirs Non-destructive Construction Investigation Landslides Archaeological Investigation Dike Investigation Highlights Route Reconnaissance – Pipeline Projects Groundwater Development Cavity Detection Non-Destructive Construction Testing