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Warren Betts, on the left, and Russell Kurth take a close look at the brome grass in a grass waterway near Le Mars, Iowa. A good waterway can provide cover for wildlife if mowing is delayed until after nesting birds have hatched.

Color slide of man driving a tractor while another man is riding the plow. Names noted on slides: Francis Hays; Turley.

Tecnician Steve Hemmelman stands by the waterway