{"version":"1.0","type":"rich","title":"Untitled","description":"A choropleth map of the United States displays county-level poverty rates, colored with a threshold scale using a green sequential scheme. The visualization includes a legend with a color bar and labeled ticks. The code uses D3 v5 and the `d3.geoPath` and `d3.scaleThreshold` APIs, along with TopoJSON for US county boundaries and a CSV data file for the rates.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/71269da5280f4941976598c51cfecbc9?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}