State and county lines

When I use the state boundaries along with the county boundaries, they do not match up. Has anyone else experienced this? If so, what is the solution?

Thank you,
Andy Holland

Andy Holland
Center for Environmental Modeling for Policy Development
Institute for the Environment
University of North Carolina at Chapel Hill
voice:  919-966-2172
fax:    919-843-3113
email:  andy_holland@xxxxxxx