Iowa field corn (image) Ecological Society of America Share Print E-Mail Caption Corn rows as far as the eye can see in Buchanan County, Iowa. Credit Original image from Carol M. Highsmith's America, Library of Congress collection. Digitally enhanced by rawpixel. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.