Aswathanarayana, U. Natural resources and environment U. Aswathanarayana - Bangalore Geological Survey of India 2003 - vii+69p. figs; tables ISBN: 81-85867-59-3 Subjects--Topical Terms: EnvironmentMineral ResourcesNatural ResourcesSoil ResourcesWater Resources Universal Decimal Class. No.: 553.3/.9 / ASW