Herbert Hoover Presidential Library and Museum - Oct. 1932 Hoover and Lou Henry on the Presidential train in Iowa launching the 1932 campaign. West Branch residents traveled to West Liberty where the
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Trains could be modified to hoover up carbon dioxide as they cross the country - BBC Science Focus Magazine
The Durham Museum - President Herbert Hoover and Mrs. Hoover on the back of 'Special Baltimore & Ohio Railroad's Train' at Omaha's Union Station with W.E. McDonell (on the left), a truck
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Going Off The Rails On California's Crazy Train | Hoover Institution Going Off The Rails On California's Crazy Train
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Union Pacific miracle train passing through a 30 foot intake pipe, Hoover dam project (then known as the Boulder dam). American railways, 20th century postcard Stock Photo - Alamy
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Trains could be modified to hoover up carbon dioxide as they cross the country - BBC Science Focus Magazine
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