In hard rock terrain, shallow water wells generally have a poor to moderate yield. Sinking wells deeply to tap yielding fracture zones often backfires, because the borehole may miss the saturated fracture zones at depths. A wrong approach to groundwater exploration in hard rock has therefore often led to unnecessary recurring expenditures and waste
Pages: 384
Category: Geologi & geovetenskap
e-ISBN: 9781040158104
Shipping weight: 1.2 kg
Ships in: 1-2 days
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