Show WORK PROGRESSING Special to The Herald Washington April 9 The report of 0 H March work on un the valley valle irrigation project shows that the tunnel was advanced feet during the this i month montil The material in the tunnel is I variable hanging changing from medium grained sandstone to lime Ihne and clay and carrying considerable water the flow being seventy gallops gallons per minute The power pi wr canal nal and both power house houle were operated during the month with without without without out interruption |