Casselman Coal Mine

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Casselman Coal Mine is an operating coal mine in Maryland, United States.


Table 1: Project-level location details

Mine Name Location Coordinates (WGS 84)
Casselman Coal Mine Maryland, United States 39.657406, -79.202182 (exact)

The map below shows the exact location of the coal mine:

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Project Details

Table 2: Project status

Status Status Detail Opening Year Closing Year

Table 3: Operation details

Note: The asterisk (*) signifies that the value is a GEM estimated figure.
Capacity (Mtpa) Production (Mtpa) Year of Production Mine Type Mining Method Mine Size (km2) Mine Depth (m) Workforce Size
0.3610595106[1] 2023[1] Underground 373* 106[1]

Table 4: Coal resources and destination

Total Reserves (Mt) Year of Total Reserves Recorded Total Resources (Mt) Coalfield Coal Type Coal Grade Primary Consumer/ Destination
2.636[2] 2022[2] Appalachia Bituminous

Table 5: Ownership and parent company

Owner Parent Company Headquarters
Maryland Energy Resources Corsa Coal Corp [81.00%]; Quintana Capital Group LP [19.00%] USA

Note: The above section was automatically generated and is based on data from the GEM April 2024 Global Coal Mine Tracker dataset.


Casselman Mine is an underground coal mining operation in Casselman, Maryland, USA. The mine is owned by Maryland Energy Resources LLC, a subsidiary of the Indiana, Pennsylvia-based Joseph Peles Coal Company. The mine was planned to comprise more than 4,600 acres and include 15 million tons of recoverable coal.[3]

In the week of October 1, 2010, the Maryland Department of the Environment issued a surface water discharge permit that essentially cleared the last procedural hurdle preventing development of a coal mine under the Casselman River. The permit allows Maryland Energy Resources LLC to discharge an average of 500,000 gallons of mine drainage per day, along with variable volumes of stormwater, into the North Branch of the Casselman from the underground mine.[3]

The development of a coal mine in that area had been discussed openly by public officials since at least 2008. The Casselman Basin, which runs beneath Grantsville, is estimated to contain about 116 million tons of coal, according to MDE. Maryland Energy Resources applied for the discharge permit in February 2009, but a determination was delayed partly because of concerns expressed by the Maryland Department of Natural Resources over the mine’s potential impact on two state endangered species, the hellbender salamander and stonecat fish. Members of the public echoed those concerns in a May 19, 2010 public hearing. They also voiced concerns about acid mine drainage and other issues related to monitoring the mine discharge.[3]

The mine began operation in 2013.

  • Operator: Maryland Energy Resources LLC
  • Owners: Corsa Coal Corp. (81%), Quintana Capital Group (19%)[4]
  • Location: Garrett, Maryland, USA
  • GPS Coordinates: 39.657406, -79.202182 (exact)
  • Status: Operating
  • Production (short tons): .523 million tons (2020)
  • Total Resource:
  • Total Reserves:
  • Coal Type: Bituminous
  • Mine Size:
  • Mining Type: Underground
  • Start Year:
  • Source of Financing:


  1. 1.0 1.1 1.2 Archived from the original on 13 February 2024. {{cite web}}: Missing or empty |title= (help)
  2. 2.0 2.1 Archived from the original on 16 February 2024. {{cite web}}: Missing or empty |title= (help)
  3. 3.0 3.1 3.2 Megan Miller, "MDE approves permit for Casselman mine: Authorization moves project past final development hurdle" October 1, 2010.
  4. 2020 Annual Report, Corsa Coal, accessed 14 June 2022.

External links

Articles and Resources

Additional data

To access additional data, including an interactive map of world coal mines, a downloadable dataset, and summary data, please visit the Global Coal Mine Tracker on the Global Energy Monitor website.