horace higgins was one of the many who had given up the fight. what is the use, he said. up those gullies, the first rain washes away. the same with all the land. it may have been good land once, but it is bad land now. bad land, hopeless land. henry clark wondered. erosion, the scientists call it, the eating away of the soil, destruction which began when the early settlers cut down the forests. when the farmers out of ignorance cloud straight for rose down the hillside. destruction from the sky. ♪♪ >> this is the way it was year after year. in a forgotten part of the united states. this was the havoc caused by greed and neglect, men working alone against the forces of nature. farms, towns, industry smashed. hundreds ground, thousands made homeless. energies of the river running to waste, the energies of the people too. henry clark's trouble was the trouble of 3 million americans in the tennessee valley. it became the direct concern of 130 million americans in the 48 states, a challenge to democracy and its ability to care for its own. the valley of the tennessee river li