The study areas is done at each blocks, block 1 Adikas and block 2 Kolu stream with 9.54 km2 tributary to Key wuha ( Red Water ) and Wash wuha ( Cavern Water ) tributary rivers or Kibish Water.
A total of 50 hits were sunk along 43 profile lines at 40 meters interval and average 200m profile line spacing (200X40) at two blocks. Pits are dug manually, re-log old pits and reach up to the bed rock. Circular pits were dug manually.