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.
HVO geochemist Tamar Elias collected a gas sample at Sulphur Cone on Mauna Loa on July 14, 2000. Inset picture shows an approximately 0.5 m (1.4 ft) thick section of emplaced sulfur flow.
Public Domain.
