Technical Descriptions of the various surface geophysical methods can be accessed and downloaded as needed by selecting one or more of the following pdf links.
Cross Hole Seismic Testing (12kb)
Ground Penetrating Radar (12kb)
Streaming Potential (SP) (13kb)
Seismic Refraction (14kb)
To download the technical descripions you will need to have Adobe Acrobat installed on your computer. Click on the icon below to download.