Image rights
The Pinacate volcanic field is a roughly 55 x 60 km area containing numerous maars, tuff rings, and cinder cones in NW México near the head of the Gulf of California. 1988. Author Richard Waitt, U.S. Geological Survey. This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. |
