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42nd Indian Sci abstract abutment alignment appears Assistant associated B.Sc bands bank beds Bihar Bombay boreholes carried cent Ceram Circle clay coal collected Congr consists construction continued covered deposits depth detailed Development direction district Ditto Division drilling east examined exposed extending fault feet field formations foundation geological Geological Survey Geologist gneisses granite groundwater hard hill included Indian indicated industry joints length lignite limestone located Lower M.Sc Madhya Pradesh Madras mapping material measurements Miner Mines nala nature noted observed occur places present Proc Project proposed quarry quartz quartzites Rajasthan range recommended records region reports represented river rocks samples sand sandstones Scale schists seam seen shales side soil square miles strike suitable supply surface survey thickness tion trap types Upper varying veins village zone