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The Ohio 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 drainage ...
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 map of superfund sites in Oregon. This is a list of federal Superfund sites on the National Priorities List (NPL) in Oregon designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. There are other federal Superfund sites in Oregon not on the NPL, which are shorter-term, cleanup sites.
On the new map, the American West stands out as particularly reliant on a network of underground water sources — like the hidden water that honeycombs the land around and to the south of Utah ...
"Hydrologic Unit Maps: U.S. Geological Survey, Water Supply Paper 2294". pubs.usgs.gov. USGS This article incorporates text from this source, which is in the public domain. Taylor, O. James (1978). Summary appraisals of the nation's ground-water resources – Missouri basin region (PDF) (Report). U.S. Government Printing Office.
In the aquifer, groundwater flows from points of higher pressure to points of lower pressure, and the direction of groundwater flow typically has both a horizontal and a vertical component. The slope of the water table is known as the “hydraulic gradient”, which depends on the rate at which water is added to and removed from the aquifer and ...
This is a list of artesian wells in the United States.. Artesian, South Dakota wells; Artesian, Washington wells; Artesian Commons, Olympia, Washington; The Artesian Hotel, Sulphur, Oklahoma
Map of the Klamath River drainage basin. The drainage basins of the Williamson and Sprague Rivers, in Oregon, are to the north and northeast of Upper Klamath Lake.Together, the two watersheds cover 3,069 square miles (7,950 km 2), or 19.4% of the Klamath River watershed.