Show I Dynamite Cargo I Falls Fans i in S. S F. F Bay SAN FRANCISCO FRANCISO May 20 fP 1 P I l commuting took look on a new thrill today as a dynamite barge loaded with 2000 cases of high explosives explosives ex ex- plosives suffered a sudden shift of ol cargo dropping several everal hundred boxes of dynamite into the bay near the edge of the ferry route Ferry erry boat captains were warned varned to pick their way with care lest they ram one or more of the floating boxes boxeL i f Powder experts said it would l heavy concussion and a big spark to explode the dynamite and said the they believed trans bay shipping was In no I danger The They added the small boxes would sink in a few v hours as they I became waterlogged I |