90 gallons
400 gallons. http://www.treehugger.com/clean-technology/how-many-gallons-of-water-does-it-take-to-make.html
It took about 199,000 gallons to the moon and 189,001 gallons back
Aproximately 12,000 gallons
20 gallons
40
It will take 5,104.1 gallons of water to fill this cylinder.
615,142 gallons of water are needed to fill this cylinder.
If you filled it all the way to the top it would take about 2,117 gallons of water.
264 US gallons (to the nearest whole gallon).
87,537 gallons of water.
That will depend on how deep you want the water to be.