EnviroAtlas - Duck Operations by County

This EnviroAtlas dataset summarizes by county the number of farm operations with ducks and the number of heads they manage. The data come from the Census of...本EnviroAtlas（环境地图集）数据集以县为统计单元，汇总了养鸭农场的数量及其饲养的鸭只总头数。该数据源自……普查。