@techreport{united20172017, title = {2017| Census of Agriculture - Illinois State and County Data} author = {United States Department of Agriculture; Sonny Perdue, Secretary; National Agricultural Statistics Service; Hubert Hamer, Administrator}, url = {https://www.nass.usda.gov/Publications/AgCensus/2017/Full_Report/Volume_1,_Chapter_2_County_Level/Illinois/ilv1.pdf}, year = {2017} }