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| | fill |
 | | Manmade deposits of natural earth materials (e.g., rock, soil, and gravel) and waste materials (e.g., tailings or spoil from dredging), used (1) to fill an enclosed space, such as an old stope or chamber in a mine, (2) to extend shore land into a lake or bay, or (3) in building dams. |
 | | Soil or loose rock used to raise the surface of low-lying land, such as an embankment to fill a hollow or ravine in railroad construction. |
 | | Fill is generally prefixed by a word describing its dominant grain size; e.g., sand fill, silt fill, clay fill, gravel fill, etc. AGI g. |
| www.webref.org /geology/f/fill.htm (356 words) |
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