since the end of Prohibition in 1933 about seven gallons of pure alcohol about seven gallons of pure alcohol American Spirits Prohibition exhibition American Spirits: The Rise and Fall of Prohibition National Constitution Center the great Prohibition exhibition about seven gallons of pure alcohol An outstanding interactive exhibition Prohibition exhibition about seven gallons of pure alcohol American Spirits epidemic proportions prohibition.constitutioncenter.org about seven gallons of pure alcohol Prohibition exhibition prohibition.constitutioncenter.org about seven gallons of pure alcohol