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.
Publications
Shutterstock.com (see reuse policy).
Multiple taxonomy terms match this reference; "SHAWN C. MARSH (327776)", "SHAWN C. MARSH (393866)". Specify the one you want by appending the id in parentheses, like "Shawn C. Marsh (393866)".