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.
Notes: a. Change in the q-value of traffic accessibility; b. Change in the q-value of socioeconomic factors; c. Change in the q-value of the natural environment; d. Change in the q-value of core resources.
