Description: U.S. National Atlas Volcanoes represents volcanoes thought to be active in the last 10,000 years (Holocene), in and near the United States. The data is a subset of data available from the Global Volcanism Program, Smithsonian Institution.
Service Item Id: fe83655f9fcb493f8c9e92491fdd084d
Copyright Text: ESRI Data and Maps, ESRI, Inc. (Redlands, CA). Clipped to Oregon by Maribeth Price.