Census of Agriculture 2012: United States Summary and State Data. Volume 1. Geographic Area Series. Part 51, May 2014.

摘要

The 2012 Census of Agriculture is the 28th Federal census of agriculture and the fourth conducted by the U.S. Department of Agriculture (USDA), National Agricultural Statistics Service (NASS). The U.S. Department of Commerce, Bureau of the Census conducted the census of agriculture for 156 years (1840-1996). The 1997 Appropriations Act contained a provision that transferred the responsibility for the census of agriculture to NASS.