South Boulder canon dam Construction starts soon on Colorado's highest dam. Post Mr 25 t 1951 p.16A Low water board dam bid cuts estimate tl,155,034. News My 18 151 p.30 Lightning touches off giant explosion; blast kills 8 at Denver water reservoir. News Ag 25 151 p.5,6,8,10 Post Ag 25 151 p.1,3,4,5 Inquest blames 9 blast deaths on negligence. News Ag 26 151 P 5 w" oat Ag 26 151 p.lA