Relief has poured into flood ravaged Grand Forks... bottled water and cleaning supplies by the truck load... mountains of clothes.... and much needed cash. But at this point, a month and a half after the flood, one of the most precious commodities is musclepower.......people willing to pitch in and help residents put their houses and lives back in order. Some of that brute-strength is coming from an unlikely source..... Minnesota prison inmates. Rachel Reabe of our Mainstreet Radio team has the story.