Overburden: Rock and soil cleared away before mining.
Overdraft: The pumping of water from a groundwater basin or aquifer in excess of the supply flowing into the basin; results in a depletion or "mining" of the groundwater in the basin.
Overburden: The layer of fragmented and unconsolidated material including loose soil, silt, sand and gravel overlying bedrock, which has been either transported from elsewhere or formed in place.
Area covered with overburden and other waste materials from ore and coal mines, quarries, and smelters, and usually having little or no vegetative cover. A miscellaneous land type.
mine wash ...
piezometric level (or surface) Confined groundwater is usually under pressure because of the weight of the overburden and the hydrostatic head.
D
Disturbed area - (Geology) Area where vegetation, topsoil, or overburden has been removed, or where topsoil, spoil, and processed waste has been placed.
Unconsolidated formations: Naturally occurring earth formations that have not been lithified. Alluvium, soil, gravel, clay, and overburden are some of the terms used to describe this type of formation.
naturally occurring earth formations that have not been lithified. Alluvium, soil, gravel, clay, and overburden are some of the terms used to describe this type of formation.
undercurrent ...
 See also: Water, Organic, Soil, Organism, Site
  
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