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  • Geophysical Survey Llc
    Geophysical Survey Llc
    541.401.8094
    548 SE 20th Ave Apt C, 97214-2771  Portland

    Tom Mitchell is a Licensed Geologist in Washington with over 20 years of experience in ground penetrating radar, seismic refraction and downhole geophysics. Steven Kastner is a Geophysical Technician with two years of experience in seismic refraction and utility locating. Who We Are Mark Villa is …