Show Soldiers Caught In Ruins San Francisco The first accident in connection with the dynamiting ol dangerous walls by the engineers of the army took place Sunday Smaller quantities of explosives than wero used last week are now being fired and this necessitates two or more charges of dynamite being exploded before tho desired result Is attained The engineers were working In the downtown district Twice had dynamite dyna-mite been exploded under tho facade of a tall ruin and a third charge was being Inserted when the wall fell Three soldiers were burled but amass of twisted Iron partly shielded them and only one was seriously hurt |