Image
Description
The photograph shows a combine harvester in Walla Walla County, Washington. A combine is able to reap (cut), thresh (separate grain) and winnow (blow air through) grain, such as wheat, which is shown in the photo.
Source-Dependent Questions
- These farmers are harvesting wheat. How can wheat become a renewable resource?
- Why would it be important for these farmers to use renewable resources?
Citation Information
Lee, Russell, "Walla Walla County, Washington. Harvesting wheat with a combine," between July and September 1941. Courtesy of Library of Congress