wt s} © eo sm 6 aoe a os ae ed eae ct. -10< heh & Or, x Scaled Ground Shock Tests Deep Drilling to Base Rock Seiemic Refraction Surveys Bie? Dr. Il, Kirk Stephenson (Address shown under Director, Program 11) Pre-Shot Mr. Gordon Lill Office of Naval Research Washington 25, N.C. Phone: Liberty 5-6700 Ext. 622346 Pre «Shot Mr. J. W. Gaith Pre«Suot (Address shown under 6.Ta) BEST AVAILABLE Ga ra mHi 00 ‘USAr) Speur - (. \. se > mG : Fa + r , aa . rs Be eS es mot a tow - ze ae Bo COPY, SNE geet €CC9S Dou 20D Director ae 0D (USA) Description Participation dn lest chike. =8 Seency ef Program 11 (cont.} SS Se Sponsoring