Conducted every 5 years, the Census of Agriculture provides a detailed picture of U.S. farms and ranches and the people who operate them. Surveys available 1840-2012
Print: 1974-1992 JPL 3rd Floor Govt Docs C3.31
Provides benchmark values every 5 years that update more frequent current surveys. Includes number of establishments, employment, payroll and revenue by geography, product line, and firm size. Participation is mandatory.