Indiana coal production averages nearly 35 million short tons per year (1 short ton = 2,000 pounds).
In recent years there has been a resurgence of underground mining as the easily strippable reserves are depleted.
The Indiana Coal Industry
Bituminous coal has become one of Indiana’s most valuable natural resources since its discovery along the banks of the Wabash River in 1736. Organized development of Indiana’s coal resources began in the 1830s and by 1918, production exceeded 30 million short tons. Coal production declined following World War I, but underground (deep) mining remained the primary mining method in Indiana until the 1940s. Following World War II, the advent of large-scale excavation equipment made surface mining more cost efficient and by 1965, surface mining accounted for more than 80 percent of the state’s annual production. Surface mining continues to be the primary method of coal removal in Indiana, with nearly 70 percent of the current production coming from surface mines.
Indiana Coal Reserves
Indiana has approximately 57 billion tons of unmined coal, of which nearly 17 billion tons is recoverable using current technology. Of the mineable reserves, about 88 percent is recoverable by underground mining and only 12 percent is recoverable using surface mining methods. Based on current production rates, Indiana's 17 billion tons of available coal could last more than 500 years.
The "Old Glory" dragline removes overburden at the Farmersburg Mine in Vigo County. Large surface
mines are now being replaced by underground operations such as the Gibson County Mine near Princeton.
Maps and Databases
- Mine Information
- Maps
- Coal, electricity, and gas transportation systems in indiana
- Coal supply and demand in Indiana
- Major point sources of CO2 emissions
- Coal Databases
Coal Research
- Reconnaissance of Coal Slurry Deposits
- Coal Characterization
- Characterization of Indiana's coal resource
- Availability of Seelyville coal
- Availability of Danville coal
- Availability of Springfield coal
- Trace Elements in Indiana Coal
- Mercury content of Indiana coals
- Distribution of mercury in Indiana coals and implications for mining and combustion
- Radioactive elements
- Other elements
- Coals and the Steel Industry
- Coalbed methane
- Coalbed gas in Seelyville coal
- Coalbed gas in Posey County
- Coalbed gas in Gibson County
- Coalbed gas in Daviess County
- Coalbed methane in Indiana
- CO2 Sequestration
- Characterization of Indiana's coal resource
- Carbon dioxide and methane sorption in high volatile bituminous coals from Indiana, USA
- Coal Combustion Byproducts
Indiana coal production averages nearly 35 million short tons per year (1 short ton = 2,000 pounds).
In recent years there has been a resurgence of underground mining as the easily strippable reserves are depleted.
Mine Reclamation
- Midwestern project
- Acid mine drainage
- Mine spoil for septic tank absorption
- Direct revegetation of coal refuse deposits
Mining History, Issues, and Statistics
- Mining History
- Coal Mining History (purchase)
- 2008 Wall Calendar
- Mining Issues
- Statistics
Additional Information
- From the IGS
- Overview of Coal Information
- Coal Publications (maps and reports from the IGS Bookstore)
- Coal in Indiana: A Geologic Overview
- From External Sources