Concept
Version 11
Created by Boundless
Commercial Farmers
Wheat
Wheat production in the West greatly increased with the invention of the mechanical reaper, patented in 1834.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Public domain image - free picture of wheat plant."
http://www.public-domain-image.com/plants/plant-seeds/wheat-seeds/slides/wheat-plant.html
Public Domain Images
Public domain.