File:SalvadorVolcanoEngraving.jpg
Ilopango Volcano, El Salvador
Scanned from engraving in Appleton's Annual Cyclopaedia and Register of Important Events of the Year 1891, D. Appleton & Company, New York, 1892. Copyright expired.
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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