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
Battle of Marj al-Saffar (1126) "Crusader forces had a clear win but were unable to press home their advantage." A third writer notes that the Crusader victory occurred because Toghtekin "fell from his horse and, thinking that he had been killed, his companions fled." Because of their heavy casualties, the Crusaders were forced to retreat. In 1129, the Franks attacked Damascus again, but their siege of the city was unsuccessful. Battle of Marj al-Saffar (1126) The Battle of Marj al-Saffar was fought on January 25, 1126 between a Crusader army led by King Baldwin II of Jerusalem and the Seljuk Emirate of Damascus, which was