In which state is the Western Fox Snake (*P. vulpinus*) historically suggested to have had a broader range than currently observed?

Answer

Wisconsin

Historical data suggests that the Western Fox Snake's range in Wisconsin might have been broader previously, but current observations place it more reliably in the eastern regions.

In which state is the Western Fox Snake (*P. vulpinus*) historically suggested to have had a broader range than currently observed?
habitatreptiledistributionsnakefox snake