|
Text Description: Reference sample for Augustine Volcano from Riehle and others (1998). Late Holocene lapilli sample (R.B. Waitt, unpublished data) References: ![]() |
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.