Stephen P. Teale Data Center (Calif.). and California Air Resources Board. Planning and Technical Support Division
Description:
This polygon shapefile California represents the California county boundaries at moderate spatial resolution, aligned to match well with the ARB California Air Basins and California Air Districts polygon boundary shapefiles. This shapefile is aligned to match well with the ARB California Air Basins and California Air Districts polygon boundary shapefiles. It is not intended to replace more spatially detailed county boundary layers available elsewhere.
