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Subject
- Geophysics6
- Hydrogeology6
- Geology5
- Geophysical methods5
- Geophysical well logging5
- Prospecting5
- Aquifers2
- Borings2
- Geology, Stratigraphic2
- Geophysical surveys2
- Groundwater2
- Groundwater flow2
- Mines and mineral resources2
- Antiquities1
- Archaeological surveying1
- Calderas1
- Coal leases1
- Data processing1
- Drill cores1
- Gravity anomalies1