HIGHLIGHTS
SUMMARY
The coal mining area in the Oslomej mine that had spread over 143.1 hectares (22.6 %) in 1984, increased to 224.3 hectares (35.4 %) in 1989 and again it increased to 238.1 hectares (37.6) in the year 1994. The mine cover was 204.4 hectares (32.3 %) in the year 1999 which gradually decreased to 139.2 hectares (22 %), 126.5 hectares (20.0 %), 92.4 hectares (14.6 %), 67.63 hectares (10.7 %), 53.3 hectares (8.4 %), 48.2 hectares (7.6 %), in the year 2004, 2009, 2014 . . .
If you want to have access to all the content you need to log in!
Thanks :)
If you don't have an account, you can create one here.