Soybean Harvest in Northeast Iowa

You are observing a Soybean Harvest in Clayton County, Iowa. An Iowa Tractor Boy is operating this John Deere Combine which features an Air Conditioned Operator's Control Station.
Another View. You can see the dust that this machine produces as it threshes the beans from the vines.
While some may think Iowa is all flat land, you can observe the gently rolling countryside in the background of this picture. Those Counties which border on the Mississippi and Missouri Rivers are known for their hills and small streams.

Now for a bit of information about Soybeans which was gleaned from the World Wide Web:

Glycine max, a legume native to China that has become a major source of vegetable protein and oil for human and animal consumption and for industrial usage. The valued portion of the plant is the seed, which contains about 40% protein and 21% oil. Illinois, Iowa, Arkansas, Missouri, Indiana, Mississippi, Minnesota, Ohio, Louisiana, and Tennessee are the major soybean producers in the United States.