it was the business of john warden a tva agricultural representative to answer that. it has everything to do with the farmers. he said the dams are just a beginning. without the fullest cooperation of the people on the land. they're worthless. there were small meetings up and down the valley. john warden told the farmers 10 inches of topsoils supports all the life honor every drop of rain that falls on your fields carries away a bit of this soil. every time it rains the gullies the scars on your fields. grow deeper and wider every year the precious topsoil goes faster. the undersoil is hard and sterile. the water which should have soaked into your land runs off uselessly. your topsoil travels with it uselessly down to the delta of the river. millions of tons of good farming soil lost forever blowing away with the wind all this waste isn't necessary. it can be stopped. your land can be saved if we work together. you've seen the dams, but they're only part of the plan. the rest of it is up to you. if we're to succeed all of us, you must learn to stop the erosion of your