| Agriculture - 1949 - 808 pages
...surface is formed by an impermeable bed. Under water-table conditions the water is unconfined and does not rise in wells above the level at which it is encountered. Where the water is confined under hydrostatic pressure by an overlying impermeable bed, it will rise... | |
| Irrigation - 1957 - 414 pages
...artesian conditions in Medina County. Under water-table conditions, the water is unconfined and does not rise in wells above the level at which it is encountered. This level is known as the water table. Water-table conditions usually are found to occur in the outcrop... | |
| Frederick W. Rathjen - History - 1998 - 292 pages
...industrial use. 64 The Ogallala formation is unconfined in most of the Canadian River Basin and therefore will not rise in wells above the level at which it is found. In some areas, however, the Ogallala is confined and will rise, and local artesian conditions... | |
| United States. Department of State - 1948 - 806 pages
...surface is formed by an impermeable bed. Under water-table conditions the water is unconfined and does not rise in wells above the level at which it is encountered. Where the water is confined under hydrostatic pressure by an overlying impermeable bed, it will rise... | |
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