Arm bands are worn by the Little International Exposition participants when showing à£à£Ö±²¥Ðãs. The judges use the numbers to track and identify the participants for awarding points.
The South à£à£Ö±²¥Ðã State College (now SDSU) Horticulture Department invented this grasshopper poison spreader to combat the locust plague during the Dust Bowl.
Taken by South à£à£Ö±²¥Ðã Extension photographer Leland Sudlow, this image shows the machines and tanks used inside the Farmers Co-Op Creamery in Volga.