Historical
In the past Lodna Area was having Joyrampur, Bagdigi, Lodna, North Tisra, South Tisra & Jeenagora Colliery and one Coke Plant at Lodna. All were purely underground mines.
Jealgora and Bararee collieries were under Bhowra Area and subsequently merged in Lodna Area.
At Present Lodna Area comprises Five numbers of underground Mines, two departmental OCPs with Shovel – Dumper combination & one outsoursing open cast mine.
NT-ST OCP is having one Dragline.(6/45)
Degree of gassiness of Lodna, Bagdigi and Bararee is II whereas Joyrampur and North Tisra Colliery is of Degree I Gassiness.
The means of access to all underground Mines is through vertical shaft in conjunction with some inclines.
All the Underground Mines are Loader-less.
Location
Lodna area is situated at a distance of 15 K.M south of Dhanbad Railway station and about 5 K.M away in North East direction from Bhaga Railway station.
Dhanbad Sindri Road passes along the western and southern side of Lodna area. Jharia Town is nearly 6 K.M away in South West direction.
North – Goalakdih & Kujama Colliery of Area – IX.
South – Non Coal Bearing Zone.
East - Non Coal Bearing Zone.
West - Bhalgora and Tisco Collieries.
No of Collieries including hired HEMM patch
| S.L.No | Underground Mines | Open Cast Mines | |
| Departmental | Hired | ||
| 1 | Lodna | NT-ST | Jeenagora Patch-I |
| 2 | Bagdigi | Jeenagora | |
| 3 | Joyrampur | ||
| 4 | North Tisra | ||
| 5 | Bararee | ||
| 6 | Jealgora(Closed dewatering from surface) | ||
Coal reserve in Million Tone
| Name of Unit | Geological Reserve | Mineable Reserve | ||||
| Coking | Non Coking | Total | Coking | Non Coking | Total | |
| NT Colliery | 5042 | 127.247 | 132.667 | 4.12 | 114.067 | 118.187 |
| ST Colliery | 30152 | 42.569 | 45.721 | 1.650 | 42.631 | 44.281 |
| Jeenagora | 1.173 | 153.24 | 154.413 | 0.697 | 112.379 | 113.076 |
| Joyrampur | 5.29 | 103.448 | 108.738 | 0.520 | 81.878 | 82.398 |
| Bagdigi | 9.820 | 135.763 | 145.583 | 12.290 | 95.981 | 108.271 |
| Jealgora | 15.242 | 48.796 | 64.038 | 11.7968 | 48.798 | 60.566 |
| Bararee | 34.297 | 24.647 | 58.944 | 7.047 | 24.647 | 31.694 |
| Lodna | 68.374 | 111.307 | 179.681 | 8.276 | 98.219 | 106.495 |
| Total | 142.768 | 747.027 | 889.795 | 46.368 | 618.6 | 664.968 |
Details of Leasehold Area
| Name of Unit | Leasehold Area In Hectare |
| NT-ST OCP | 256.15 |
| Jeenagora OCP | 255.00 |
| North Tisra Colliery | 246.24 |
| Joyrampur Colliery | 98.04 |
| Bagdigi Colliery | 61.00 |
| Lodna Colliery | 391.64 |
| Bararee Colliery | 475.00 |
| Jealgora Colliery | 138.00 |
| Total | 1921.07 |
Area effected by fire and Subsidence etc. – 889.0 Hect.
Means of Dealing fire.
A) Blanketing with mitt & Sand.
B) Water pool.
C) Nitrogen flushing
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