https://blogs.mercola.com:443/sites/vitalvotes/archive/2016/08/30/when-the-dust-settles-airborne-pollution-from-factory-farms.aspxCAFO operations may be concentrated but the damage they cause is not confined. The US Department of Agriculture funded a grant to determine if harmful residue from these operations were dispersed by prevailing winds. As reported in Texas Monthly , "steroidsenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)