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It is part of an aquifer system found in Mississippian or younger stratigraphic units in the Michigan Basin. [1] The aquifer covers approximately 11,000 square miles (28,000 km 2) [2] and is estimated to contain 4 cubic miles (17 km 3) of water, approximately 50 feet (15 m) to 400 feet (120 m) underground. [3]
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.
Michigan has about 242 streams (rivers and creeks) with a combined length of 36,350 miles (58,500 km) and about 11,000 lakes and ponds. [1] Michigan borders four of the five Great Lakes and is a signatory to the Great Lakes Compact. [2] The Michigan Department of Environmental Quality is responsible for the management of Michigan's water ...
Speakers around the Great Lakes began to pronounce the short a sound, /æ/ as in TRAP, as more of a diphthong and with a higher starting point in the mouth, causing the same word to sound more like "tray-ap" or "tray-up"; Labov et al. assume that this began by the middle of the 19th century. [23]
Most of the world’s top corporations have simple names. Steve Jobs named Apple while on a fruitarian diet, and found the name "fun, spirited and not intimidating." Plus, it came before Atari in ...
An unconfined aquifer has no impermeable barrier immediately above it, such that the water level can rise in response to recharge. A confined aquifer has an overlying impermeable barrier that prevents the water level in the aquifer from rising any higher. An aquifer in the same geologic unit may be confined in one area and unconfined in another.
"People pronounce my name many different ways. Let #KidsForKamala show you how it’s done," she wrote in the original tweet, from May 2016. It's just a short video, ...
The forcing of the spring to the surface can be the result of a confined aquifer in which the recharge area of the spring water table rests at a higher elevation than that of the outlet. Spring water forced to the surface by elevated sources are artesian wells. This is possible even if the outlet is in the form of a 300-foot-deep (91 m) cave.