District has following natural resource:
Korea District has vast reserves of high-grade Coal. The main coal belts are in the Hasdo basin. Major deposits are in Chirimiri, Jhagrakhand, Curcha, Katkona, Pandavpara and Sonhat. Other deposits are in Nagar, Amritdhara, Gutra, Kilhari, Pathargaon and Damuj-Labji. There are small deposists of limestone, fire clay and red oxide in Korea District.
The District is very rich in Coal. The main Coal fields are as follows:
- Chirimiri Coalfields: Seven main Coal mines are comes under this Area. They are Chirimiri, Kurasia, N.C.P.H., Korea,Domanhill, Gelhopani (North Chirimiri) and West Chirimiri. Basically two methods are used by S.E.C.L (South Eastern Coal fields Limited under Govt. of India) for the production of coals are Open Cast and under ground Mining Systems. Grade of Coal is A and B
- Baikunthpur Coalfields: Main coal mines are Charcha, Pandavpara, Katkona under the Baikunthpur coalfields.
- Jhagrakhand or Hasdev Coalfields: Main coal mines are Jhagrakhand and haldibadi.
Main rives as follows-
The Hasdeo :The Hasdo is the largest river flowing towards the South. It rises from 23º30´ North by 82º30´ East on the Sonhat Plateau and drains the South-Western part of the District. In this District, the river course resembles an upturned ‘S’ and flows for about 95 km. After a course of about 72 km, it enters Bilaspur District at 23º North. It receives the waters of the Gej and the Chornai on the left bank and the Tan and the Ahiran on the right before it meets the Mahanadi . The total length of the river is 245 km. The valley is narrow. Important settlements along the river are Sonhat, Ghugra, Manendragarh, Kosgain, Korba and Champa.
The Gej :The Gej rises from the Hills west of Central Plateau. It flows post Baikunthpur and receives the Jhink and the Atem from the left. It drains into the Mahanadi through the Hasdo. Rising from the North-Eastern slopes of the Mainpat, the Mand flows in the South-Eastern part of the District. Further it flows in Raigarh and Bilaspur Districts. It drains into the Mahanadi.
The Gopad :The Gopad rises from the Northern slopes of Sonhat Plateau (23º32´North, 82º31´East) in Surguja. It flows to the North and the West in stages. In Sidhi District, the Gopad flows first to the west along the common boundry of Bharatpur Tehsil with Sidhi District. The river then meanders to the North and North-West and fina North-West and finally to the North-East. The river is joined by the Goini and the Neur in Surguja, and the Sehra, the Kandas and the Mohan in Sidhi. The stream meets the Son near Bardi.
District Korea has vast range of forests. Upto the last decade of the 19th century, Korea District was a vast stretch of forests dotted here and there with villages. These forests were very dense and thick.Total area under Manendragarh forest circle is 1807.564 square kilometer whereas Baikunthpur is 1778.222 square kilometer. Thus total area of forest is 3585.786 square kilometer of reference year 2015-16 .
Small part of Korea District lies in the Ganga basin and the remaining portion is in the Mahanadi basin. North of Sonhat beyond Mendra village starts the Ganga basin and from Mendra Southward is the Mahanadi basin.Gopad is the major tribute of Son and originates about 10 miles North of Mendra village. It drains the Northern portion of the District. Hasdeo a major tributary of Mahanadi has its origin in Mendra village. The main tributaries of Hasdeo are Gej, Jhumka and Bania. The Eastern Area of the District comes in the Son basin and is is drained by Gobri river which joins the Rehar in Surguja District . Gobri has its origin in the hills North of Patna.