Show Guards Watch for Fixing Attempt in River Ice Pool NENANA Alaska April 29 UP UP Guards Guards today patrolled tho the banks of the Tanana river to prevent prevent prevent pre pre- vent possible fixing of the Ico leo up break-up which will determine winner of ot a pool First cracking of ot the Ice was expected at any moment Soon after the first crack tho the mass man will sv-ili begin moving mo toward the tho Yukon river Movement of ot only an inch is necessary to determine the winner of the pool and incidentally in in- in herald the advent of spring In the Yukon country A scientific timing system will determine the exact time the ice begins to 10 o moye Steel wera driven in the Ice and taut wires stretched to a time clock on shore The slightest movement of the stakes will stop atop the clock The pool a nonprofit undertaking I ing goes to the person penson most closely closely close dose ly Jy guessing the time when the up break starts Entrants at 1 each submitted guesses from all parts of oC Alaska Canada and the United States timers Old-timers in Alaska knew several several sev sev- eral days ago alO the up break-up was coming At the time ice cracked In the tributary China Chinn river at Fairbanks This is normally followed fol fol- to- to lowed within a few Cew cia days by the break lip ol ot the th Tanana ice let |