Show St. St Francis Dam Built on Schist Had Rotten Rock Foundation Foundation Foundation Foun Foun- dation Says L. L A. A Engineer LOS ANGELES March 22 AP H. H. H A. A Van Norman assistant engineer en of the Los Angeles water bureau testified at th the inquest over St. St Francis dam victims tod today y that the destroyed St. St Francis dam the Barrett dam near neap San Diego the Hollywood dam overlooking the film colony and the Seco SIC dam near Pasadena all are of similar type Van Norm Norman n described it as the monolith type and said that It t was based on recognized engineering engineer engineer- ing principles Subjected to a searching cross examination Van VanNorman VanNorman VanNorman Norman admitted that the sides of I the ill fated St. St Francis structure were built or on schist known to tov the he layman as rotten rock When asked Is Js it not that th the water would through t the e schist and andi finally cause It to become spongy and weak Van VanNorman VanNorman Norman replied Such a thing Is possible but but Ill I'll say It isn't so inthIs In Inthis this case |