Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Qualitative versus quantitative data are displayed. On the right, the top 3 maps (qualitative) depict facilities by type, and the bottom 3 maps (quantitative) depict the number of facilities by county. Source: Centers for Disease Control and Prevention Cartographic Guidelines for Public Health.98
