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The Missouri River Valley outlines the journey of the Missouri River from its headwaters where the Madison, Jefferson and Gallatin Rivers flow together in Montana to its confluence with the Mississippi River in the State of Missouri. At 2,300 miles (3,700 km) long the valley drains one-sixth of the United States, [1] and is the longest river ...
Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.
A Sole Source Aquifer (SSA) is an aquifer that has been designated by the United States Environmental Protection Agency (EPA) as the sole or principal source of drinking water for an area. [1] By definition, SSA is an aquifer that supplies at least 50% of the drinking water consumed in the area overlying the aquifer.
Map of the Missouri River watershed The White River flowing into the Missouri River and coloring it with clay. Tributaries of the Missouri River, a major river in the central United States, are listed here in upstream order. These lists are arranged into river sections between cities or mouths of major tributaries for ease of navigation.
The Missouri water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units. These geographic areas contain either the drainage area of a major river, or the combined ...
The Ogallala aquifer is the principal source of water for agriculture in western Kansas. ... The Ogallala Aquifer was formed more than 25,000 years ago, but it recharges at a very low rate. For ...
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Many early critics of the Pick-Sloan plan were in favor of creating a Missouri Valley Authority (MVA). They claimed that the MVA would provide a more unified solution to water development on the Missouri River than the merged ideas of opposing bureaucracies. Ideas for the MVA were influenced by the success of the Tennessee Valley Authority.