American flag
An official website of the United States government
Government symbol

Official websites use .mil
A .mil website belongs to an official U.S. Department of Defense organization.

Lock symbol

Secure .mil websites use HTTPS
A lock () or https:// means you've safely connected to the .mil website. Share sensitive information only on official, secure websites.

Articles By This Author

Expansion of Gold Mining and Cross-Border Mercury Activity Between Venezuela and Guyana

Latin America

Expansion of Gold Mining and Cross-Border Mercury Activity Between Venezuela and Guyana

Based on the analysis of commercial imagery, ground photography, and open reporting, we assess that gold mining and the associated usage and transportation of mercury have increased in riverine sections of Western Venezuela and Eastern Guyana.