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  • Book cover of Report of Investigations

    Report of Investigations: no.7381 to date

    Michael J. Friedel, James A. Jessop, Richard E. Thill

     · 1992

  • Book cover of Delineation of Fractures in Igneous Rock Masses Using Common Offset Radar Reflection

    Delineation of Fractures in Igneous Rock Masses Using Common Offset Radar Reflection

    Michael J. Friedel, James A. Jessop, Richard E. Thill

     · 1992

  • No image available

    Frictional Ignition of Natural Gas-air Mixtures by Alternative Coal-cutter Bit Shank Materials

    Ann G. Kim, August J. Kwitowski, D. D. Harbuck, David H. Carlson, J. E. Chilton, Jeffrey Shawn Peterson, John A. Organiscak, L. Garner McDonald, Michael J. Friedel, Richard A. Allwes, Thomas M. Barczak, Yael Miron, Albert L. Brautigam, C. P. Mangelsdorf, Charles P. Lazzara, Clarence R. Carpenter, David F. Gearhart, James A. Jessop, Steven J. Page, Thomas R. Justin, Todd R. Taubert, Alex C. Smith, John F. Miller, John H. Johnson, Michael C. Leigh, Richard E. Thill, Robert A. Jankowski

     · 1992

  • No image available

    Delineation of Fractures in Igneous Rock Masses Using Common Offset Radar Reflection

    Michael J. Friedel, James A. Jessop, Richard E. Thill

     · 1992

  • No image available

    Electromagnetic Investigation of Abandoned Mines in the Galena, KS, Area (Kansas).

    United States. Bureau of Mines

     · 1990

Coded by Alvin Chou