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National Museum of Nuclear Science & History

C. H. Greenwalt

Project Staff Research & Development/300 Area

Hanford, WA
Manhattan Project VeteranProject Worker/Staff
The 300 Area at Hanford, WA today

Greenwalt worked at the 300 Area at Hanford during the Manhattan Project.

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Hanford, WA

Colonel Franklin Matthias (1908 – 1993) was the officer-in-charge at the Hanford site. Matthias, a civil engineer, had been a close associate of General Groves since the beginning of the Manhattan Project, and was asked to review sites in the West.

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