Images and information taken from the US Census here: [http://ftp2.census.gov/geo/maps/general_ref/stco_outline/cen2k_pgsz/stco_OH.pdf] and here: [http://www.census.gov/geo/www/maps/msa_maps2005/msa2005_previews_html/cbsa_csa_us_wall_1205.html].
Captions
Add a one-line explanation of what this file represents