March 23, 1943

William Foshag, U.S. National Museum Curator of Minerals, travels to Mexico to conduct field work and research on the Parícutin volcano that just erupted in a cornfield 200 miles west of Mexico City.This Image was taken by William F. Foshag, a curator of minerals at the United States National Museum, now known as the National Museum of Natural History, while researching the development of a volcanic cone called Parícutin. The volcano emerged in Dionisio Pulido’s, a Tarascan Indian, corn field in Parícutin, Mexico, 200 miles west of Mexico City. It shows a large fumarole yielding an abundance of ammonium chloride.

Courtesy of Smithsonian Institution Archives

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