G&A Geophysics Geophysical Methods Geophysical Applications Statement of Qualifications Contact Us Geophysics Links Geophysical Applications The application of geophysical methods to any given site is based on a good understanding of the physical properties being measured and the site geology, a...

G&A Geophysics Geophysical Methods Geophysical Applications Statement of Qualifications Contact Us Geophysics Links Gasch & Associates (G&A) is located in Rancho Cordova, a suburb of Sacramento near historic Folsom, California.G&A provides geophysical services for a wide variety of a...

G&A Geophysics Geophysical Methods Geophysical Applications Statement of Qualifications Contact Us Geophysics Links Electrical Resistivity Our state-of-the-art, automatic DC Electrical Resistivity (ER) unit is capable of quickly collecting thousands of data points in any of the standard configur...

G&A Geophysics Geophysical Methods Geophysical Applications Statement of Qualifications Contact Us Geophysics Links Geophysics Links In order to provide a broad base of knowledge, we have reviewed the following web sites, and have found each of them to be informative: Read our review of: Green E...

G&A Geophysics Geophysical Methods Geophysical Applications Statement of Qualifications Contact Us Geophysics Links Refraction Seismic The Refraction Seismic method is able to accurately distinguish bedrock from the overlying sediment because of contrasting seismic velocities. This sample cross ...