This fork of NewYorkCounty displays a state of the US with its counties as an interactive SVG map, emphasizing a clean white and black aesthetic. The visualization's central mechanism is a dropdown selector that switches between states. Clicking on a county slides in a sidebar with its name, while hovering highlights the county in orange and shows a tooltip. It leverages d3.geoPath with a geoIdentity projection to render the map, and uses topojson-client to parse the US-10m TopoJSON file. All county and state geometry is drawn as SVG paths, with animated transitions on hover.