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OF THE GEOLOGICAL SURVEY OF INDIA
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abutment alignment Assistant Attached Auden average bands bank Bengal Bihar Bombay borings carried cement cent Central Central Provinces Circle clay coal collected considerable considered construction dam-site December Department deposits depth detailed district east effect Engineering examined extensive fault feet field foundation further Geol Geological Survey Geologist gneisses gorge Government granite Ground headquarters hill important India industry joints Kosi lakes leave lignite limestone located lower Madras manufacture mapping material miles million mineral Mining Nagpur November occur October officers places possible present production Project proposed Provinces quantity quartzites Railway recorded regarding region reports reservoir returned river rocks salt sand sandstones shales sheet soil Southern strike suggested suitable supply Survey of India thickness tion tons trap tunnel Upper Value varying visited zone