"nass-geographicareaseries-51-ac-07-a-51" . "United States Summary and State Data. In 2007 Census of Agriculture, Vol. 1, Geographic Area Series, Part 51. AC-07-A-51."^^ . "2007"^^ . "http://www.agcensus.usda.gov/Publications/2007/Full_Report/usv1.pdf"^^ . "report" . . . . . . . . . . . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 .