This map uses a simplified GeoJSON derivative created from the uploaded
noLakes.gpkg county geometries and joined to the uploaded
noLakes.csv attributes by GEOID.
Restaurant density is shown as restaurant establishments per 10,000 residents.
Mono proxy score is a demographic exposure proxy, not diagnosed mono cases.
Great Lakes water is cut out because the source geometry was supplied as a no-lakes county layer.
Alaska and Hawaii are placed as lower-left insets by the D3 Albers USA composite projection.