United States Census of Agriculture
The Census of Agriculture is a census conducted every five years by the U.S. Department of Agriculture's National Agricultural Statistics Service (NASS) that provides the only source of uniform, comprehensive agricultural data for every county in the United States. == Overview == The census is a complete count of U.S. farms and ranches and the people who operate them.
Source: Wikipedia — United States Census of Agriculture (CC BY-SA 4.0)