Records of the Geological Survey of India, Volume 92, Part 1 - Volume 94, Part 1

12-inch dia abandoned Andhra Assistant associated bands beds belt Bihar block Bombay boreholes carried cent Circle clay coal coalfield collected consist construction contains continued converted copper covered deposits depth detailed dips district drawdown Drilled east Economic ending examined exploration exploratory exposed faults feet field formations furlongs geological geological mapping Geologists gneisses grade granite Gravel groundwater hill housing inch included India indicated installed investigated land surface lignite limestone Located Lower m.s.l. Drilled M.Sc Madhya Madras March material miles million tons mineral mining minutes Nagpur occur officers places Pradesh Project proposed pumping quartz veins quartzites recommended recorded reports reserves river road rocks samples sand sandstones Sarvashri saturated granular zones scale schists seams Section shales sheets Shri slotted Srivastava strike suitable Survey thick types Upper varies village Yield