Show ARTIFICIAL RAIN MAY FALL FALLON FALLON FAllON ON UTAH FORESTS Seeding of thunder clouds with ice pellets may be undertaken undertaken undertaken un un- un- un this summer summer in Utah and the intermountain area to combat lightning-caused lightning forest fires Experiments of the forest service conducted by tossing tossing tossing toss toss- ing dry ice from an airplane into clouds to induce disgorging ing of moisture before the storm reaches the lightning stage have been conducted for more than a year in the vicinity of Spokane Wash ash it was learned here Tuesday Whether the experiments and what was learned in them has anything to do with the scheduled visit to Utah in mid- mid Jul July y of Carl Gustafson forest service fire chief from Washington Washington Wash Wash- ington D. D C. C could not be learned Records indicate nearly half the forest fires in the intermountain intermountain intermountain inter- inter mountain area last year were caused by lightning Timber destroyed in the fires was worth more than The seeding cloud-seeding process to prevent that type of fire would in no manner interfere with the forest services service's existing existing existing exist exist- ing program to prevent man-caused man fires it was explained |