Nathan Collier
596 Main Street,
Woburn, MA 01801
7819358111
http://www.colliergeophysics.com
Seismic, Electrical, Ground Penetrating Radar (GPR), Electromagnetic (EM), Magnetic, Gravity Borehole Logging Geophysical Applications Karst & Void Detection, Dam & Levee Assessment, Geotechnical Parameters, Contaminant Mapping Hydrogeology Studies, Utility & Buried Object Detection, Oil and Gas Exploration Seismic Methods Various types of seismic methods measure the seismic velocity of soil and rock including: reflection, refraction, tomography, active and passive MASW, downhole and crosshole s
541360 -- Geophysical Surveying and Mapping Services
541620 -- Environmental Consulting Services
541690 -- Other Scientific and Technical Consulting Services
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