Please provide your name and email to download


    First Name

    Last Name



    Geophysics Methodology

    Zonge is now an agent for GEM Systems Magnetometers

    Zonge International is pleased to announce that the company is now a sales agent for GEM Systems magnetometers in the United States. GEM Systems, based in Ontario, Canada is a global leader in the design and manufacture of advanced magnetometers. Their fully-integrated Ground Magnetics survey systems with GPS and optional VLF-EM capability, are known for […]

    3D Imaging of Subsurface Features Using GPR Array Beam Imaging

    Publisher – EEGS, SAGEEP Proceedings, 2000 Authors – Jeffrey L. Orrey, Ojo Solutions,Boulder, Colorado; Phil C. Sirles*, Microgeophysics Corp., Wheat Ridge, Colorado; Charles B. Archambeau, TRAC-NA, Boulder, Colorado Paper – [pdf] Sirles_2000_3D_Imaging_of_Subsurface_Features_Using_GPR_Array_Beam_Imaging Abstract

    Crosshole Sonic Logging vs 2D and 3D Crosshole Sonic Logging Tomography for Drilled Shafts

    Publisher – 2002 Authors – N. Mekic-Stall, N. and Phil Sirles*, Denver, Colorado Paper! Abstract

    Case Histories of Buried Borehole Detection

    Publisher – Zonge, 1996. Environmental and Engineering Geophysical Society (EEGS), presented at SAGEEP, 1996, Keystone, Colorado. Authors – Norman R. Carlson* and Kenneth L. Zonge, Zonge Engineering and Research Organizations, Tucson, Arizona Paper – [pdf] NanoBore_BuriedBoreholeCaseHistory Summary Abstract

    Using Geophysics to Evaluate an Embankment Dam Sinkhole

    Publisher – U.S. Society on Dams, 29th Annual USSD Conference, Nashville, Tennessee, April 20-24, 2009 Authors – Michael McCaffrey, PB Power, Boston, Massachusetts; Phil Sirles, Zonge International, Denver, Colorado; William Black, Norcal Geophysical, Inc., Cotati, California; Paul Shiers, PB Power, Boston, Massachusetts; Ray Barham, Alcoa Power Generation Inc., Knoxville, Tennessee Publication – [pdf] DAMS_Sirles 2009 […]

    Identification of Unexploded Ordnance from Clutter Using Neural Networks

    Publisher – EEGS, 2008 Authors – Anna Szidarovszky*, Zonge Engineering and Research Organization, Tucson, Arizona; Mary Poulton, University of Arizona, Department of Mining Engineering, Tucson, Arizona; Scott C. MacInnes*, Zonge Engineering and Research Organization, Soldotna, Alaska Paper – [pdf] UXO_IDfrClutter_NeuralNetworks Abstract

    Field Tests of an Experimental Helicopter Time-domain EM System for Unexploded Ordnance Detection

    Publisher – Society of Exploration Geophysicists, 2004. Published on Geophysics Online February 6, 2004. Authors – Les P. Beard*, William E. Doll, T. Jeffrey Gamey and David T. Bell, Oak Ridge national Laboratory, Oak Ridge, Tennessee; J. Scott Holladayz, James L.C. Leez, Geosensors, Toronto, Ontario Paper – [pdf] UXO_GEOP_HeliTEM_for_uxo_LPB_2004 Abstract

    UXO Classification Using Characteristic Modes of the Broadband Electromagnetic Induction Response

    Publisher – Zonge, 1999, 2000.  Variations of this paper have been presented at the following conferences: 1. A New Technology Applications Conference on the Science and Technology of Unexploded Ordnance (UXO) Removal and site Remediation. Maui, Hawaii, November 8-11, 1999. 2. SAGEEP 2000, Arlington, Virginia, February 20-24, 2000 (Proceedings, p. 747) 3. Pacific Environmental Restoration […]

    Value of Multi-component TEM Data for Estimation of UXO Target Parameters

    Publisher – EEGS, 2004. Authors – Donald D. Snyder, Snyder Geoscience, Inc., Grand Junction, Colorado Scott C. MacInnes*, Zonge Engineering & Research Org., Inc, Tucson, Arizona Jennifer L. Hare*, Zonge Engineering & Research Org., Inc, Tucson, Arizona Robert E. Grimm, Southwest Research Institute, Boulder, Colorado Mary Poulton, University of Arizona, Tucson, Arizona Anna Szidarovszky*, University […]

    Application of an Artificial Neural Network for Airborne Magnetic Data Discrimination

    Publisher – SAGEEP, 2011. Authors – Jeannie Norton, Battelle, Oak Ridge, Tennessee Jacob Sheehan*, Zonge International, Denver, Colorado Les Beard*, Zonge International, Tucson, Arizona Paper –  [pdf] UXO_SAGEEP_ANNs_for_ordnance_LPB_2011-UXO Abstract Introduction