Information available from Manufacturers websites

Geometrics Inc.:
To download information about magnetometers and seismographs go to, Click on the Downloads button at the top of the page. You are offered a choice of Seismographs or Magnetometers. Click on the appropriate button. You are then presented with a form to fill out. If you choose not to mess with the form scroll to the bottom of the page and click on “DOWNLOAD after pressing the Submit Button” and you will go to a page of available downloads.

Geonics Inc.:
To download technical papers about electromagnetics go to Click on Library and choose Technical Papers. Choose the one you are interested in and click on it.

Operational and Quality control manuals for Geonics EM61
Ordnance and Explosives Geophysical Mapping-Guidance Operational
Procedures and Quality Control Manual. (download: 1761k PDF file)

Geophysical Investigations with EM61-MK2 & EM61 Operational Procedures and Quality Control
Manual. (download: 587k PDF file)

Technical Papers:
Naval Research Laboratory: UXO Detection (Testing/Test Results): TARGET SHAPE

Applications Manual for Portable Magnetometers. (download: 6572k PDF file)

Borehole Shear-Wave Surveys for Engineering Site Investigations. (download: 436k PDF file)