- What renewable or nonrenewable resources are represented in the photo?
- Iowa has a large number of wind turbines located across the state. Why would Iowa be a good state for wind turbines?
- In this photo the wind turbines are lined up, one behind another. Why do you think the wind turbines were placed that way?
Highsmith, Carol M., "Farm scene including a bright-red barn, three silos (one vintage, two modern), and quite modern wind turbines in Hardin County, Iowa," 18 August 2016. Courtesy of Library of Congress