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Black plaque № 15351

Amarillo, TX, United States

Helium Time Columns Monument and Museum. Erected 1968, commemorating the 100th Anniversary of discovery of helium in the gaseous atmosphere surrounding the sun. (The discovery of traces of helium on earth was first announced in 1895.) The four time columns are filled with books, documents, and vario

us artifacts that will tell future generations about life in 1968. After the time columns were filled, the caps were welded on and the contents sealed in a helium atmosphere. In twenty-five, fifty, on

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