To build Census Tract maps, follow these steps: Define the libref GISMAPS to point to the location where the Census Tract map data were installed by your SAS administrator. For PC or UNIX systems, ...

This map will allow you to see what the local prevalence of elevated lead tests has been in the 34 states where we obtained census tract or zip code level data. The CDC estimates that nationwide ...

The tool has data from every census tract in the country ... Autauga—all fall within or near the Black Belt. [Can’t see the map? Click here.] However, those counties are also some of the ...