The slaughter plant gap study show geographical gaps between small producers of cattle, swine, and poultry and the availability of both federally inspected plants and state inspected plants that are defined as small facilities. There is a composite map between of all species and all small slaughter and rendering plants.
http://www.feedstuffs.com/ME2/dirmod.asp?sid=F4D1A9DFCD974EAD8CD5205E15C1CB42&nm=Breaking+News&type=news&mod=News&mid=A3D60400B4204079A76C4B1B129CB433&tier=3&nid=A0C75DE8B6EB4D29BE885CD969B976E2