Explanation

Below is an explanation of the types of data on the map of the subsurface.
The tab Subsurface data gives access to the following data from the map:

• Geological borehole research
  - Borehole log
  - Borehole sample image
  - Well log
  - Chemical analysis
  - Grain-size distribution
  - Lithostratigraphic interpretation
  - Confidentiality
• Archaeological borehole research
  - Borehole sample image
  - Borehole log
• Cone-penetration testing
  - Standardised cone-penetration testing methods
  - Description of parameters
  - Measured data
  - Structure and bearing capacity of the shallow subsurface
  - Interpretation
  - Quality
  - Delivery format
  - On the map
• Geo-electric research
  - Geo-electric research
  - Delivery format
• Seabed research
  - Seabed research
  - Sample description
  - Chemical analysis
  - Grain-size distribution
• Groundwater research
  - Groundwater research
  - Samples
  - Levels
• Other research
  - Gauges