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The gallon is a unit of volume in British imperial units and United States customary units.. The imperial gallon (imp gal) is defined as 4.546 09 litres, and is or was used in the United Kingdom and its former colonies, including Ireland, Canada, Australia, New Zealand, India, South Africa, Malaysia and some Caribbean countries, while the US gallon (US gal) is defined as 231 cubic inches (3. ...
This article lists the largest lakes, natural and man-made, in the United States by volume—the amount of water they contain under normal conditions. Volumes given for lakes shared with Canada and Mexico are for the total volume of the lake.
This article lists lakes with a water volume of more than 100 km 3, ranked by volume. The volume of a lake is a difficult quantity to measure. [1] Generally, the volume must be inferred from bathymetric data by integration. Lake volumes can also change dramatically over time and during the year, especially for salt lakes in arid climates.
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The Great Lakes contain 21% of the world's surface fresh water: 5,472 cubic miles (22,810 km 3), or 6.0×10 15 U.S. gallons, that is 6 quadrillion U.S. gallons, (2.3×10 16 liters). The lakes contain about 84% of the surface freshwater of North America; [ 48 ] if the water were evenly distributed over the entire continent's land area, it would ...
This article lists rivers by their average discharge measured in descending order of their water flow rate. Here, only those rivers whose discharge is more than 2,000 m 3 /s (71,000 cu ft/s) are shown. It can be thought of as a list of the biggest rivers on Earth, measured by a specific metric.
But as traditional sources of water face ... ninth with approximately 2.27 million acre-feet of urban area runoff each year. (An acre-foot is about 326,000 gallons — enough water to supply up to ...
[a] The well was immense—16 feet across and 112 feet deep—blasted largely through rock, resulting in a quarry of over 175,000 gallons of water. A steam engine had the capacity to lift nearly half a million gallons a day. An octagonal iron tank, 43 feet in diameter and 20 feet high was installed atop a 27-foot-high stone tower.