EFFECT OF SAND MINING ON GROUNDWATER DEPLETION …
In SMA (NSMA), as location of well from sand mining area increased from 30 to 1500 feet negative externality per well reduced from Rs.7080 to Rs.1585 (Rs.1394 to 1462). In Bangalore city, price of sand was Rs. 4200 per truckload of 350 cubic feet; with inelastic demand (η = - 0.88) and transporters earn net return of Rs. 835 per load.
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