You guys seen this: Noble Foundation / Stevens Feral Hog in Oklahoma article?
http://www.noble.org/ag/Wildlife/FeralHogs/index.html
Of particular interest is page 3 with the maps, especially map #2:
http://www.noble.org/ag/Wildlife/FeralHogs/status.html
http://www.noble.org/ag/Wildlife/FeralHogs/index.html
Of particular interest is page 3 with the maps, especially map #2:
http://www.noble.org/ag/Wildlife/FeralHogs/status.html