County Boundaries for Selected Items from the Census of Agriculture, 1950-2012 (COA_STCOFIPS)
This polygon shapefile provides county or county-equivalent boundaries for the conterminous United States and was created specifically for use with the data tables published as Selected Items from the Census of Agriculture for the Conterminous United States, 1950-2012 (LaMotte, 2015). This data layer is a modified …