This layer (counties.tab) contains polygon objects that represent the county boundaries of the United States. They are displayed as light gray filled regions with dashed borders. The image below illustrates the nycounties.tab - i.e. county boundaries of the New York (NY) state of USA.
Associated data includes the two-letter State FIPS code and the 5-digit Federal
Information Processing (FIPS) code that uniquely identifies each county.
