Artesian aquifer its recharge zone is at a higher elevation than the head of the well. Artesian wells were named after the former province of Artois in France, where many artesian wells were drilled by Carthusian monks from 1126. Artesian aquifer An aquifer is a geologic layer of porous and permeable material such as sand and gravel, limestone, or sandstone, through which water flows and is stored. An artesian aquifer is a confined aquifer containing groundwater under positive pressure. An artesian aquifer is trapped water, surrounded by layers of impermeable rocks or clay, which applies positive pressure to the water contained within
A Certain Ratio A Certain Ratio A Certain Ratio are an English post-punk band formed in 1977 in Flixton, Greater Manchester. They became known for their punk-funk/industrial/dance-oriented sound, which drew heavily on disco, funk, and dub elements. After over seven years on Factory Records, they spent two years signed to A&M Records before returning to independent labels in the early 1990s. After being on hiatus since the late 1990s, they returned to sporadic live performances in the early 2000s and released a new album in 2008. The band was formed by singer Simon Topping and guitar/electronics player Peter Terrell, who after initially performing