The Census 2000 County-To-County Worker Flow Files are now available on the Census web site. You can use the link below, or from the Census home page ( www.census.gov) click on "J" in the Subjects A to Z index, then on Journey to Work and Place of Work Data, and then on the link to the Census 2000 County-to-County Worker Flow Files. Note that there is also a link from this page to the 1990 Census County-to-County Worker Flow Files. URL: http://www.census.gov/population/www/cen2000/commuting.html Compliments of Nanda Srinivasan, there is also a procedure available for creating county-to-county flow maps from these data at: http://www.fhwa.dot.gov/ctpp/flow.htm --Phil Salopek