https://www.angelfire.com/bc/nihhrrc/Roorkee/Water_Balance.pdf
https://www.angelfire.com/bc/nihhrrc/Roorkee/aquifer.ppt
https://www.angelfire.com/bc/nihhrrc/Roorkee/gwm.ppt
https://www.angelfire.com/bc/nihhrrc/Roorkee/gwpot.pptx
https://www.angelfire.com/bc/nihhrrc/Roorkee/percolation.ppt
https://www.angelfire.com/bc/nihhrrc/Roorkee/swi.ppt
https://www.angelfire.com/bc/nihhrrc/documents/fresh.htm
https://www.angelfire.com/bc/nihhrrc/google.htm
