Exhibit 21.1

LIST OF SUBSIDIARIES

Name of Subsidiary	Jurisdiction of Organization	% Ownership
Brushy Gap Coal & Gas, Inc.	Kentucky	100% owned by our indirect subsidiary Nytis Exploration Company LLC
Carbon California Company, LLC	Delaware	53.92% represented by Class A and Class B Units
Carbon California Operating Company, LLC	Delaware	100%
Nytis Exploration Company LLC	Delaware	98.1% owned by our subsidiary Nytis Exploration (USA) Inc.
Nytis Exploration (USA) Inc.	Delaware	100%
Carbon Appalachian Company, LLC	Delaware	100%
Carbon Appalachia Group, LLC	Delaware	100% owned by our subsidiary Carbon Appalachian Company, LLC
Carbon Tennessee Mining Company, LLC	Delaware	100% owned by our subsidiary Carbon Appalachian Company, LLC
Carbon Appalachia Enterprises, LLC	Delaware	100% owned by our subsidiary Carbon Appalachian Company, LLC
Coalfield Pipeline Company	Tennessee	100% owned by our subsidiary Carbon Appalachian Company, LLC
Knox Energy, LLC	Tennessee	100% owned by our subsidiary Carbon Appalachian Company, LLC
Carbon West Virginia Company, LLC	Delaware	100% owned by our subsidiary Carbon Appalachian Company, LLC
Appalachia Gas Services Company, LLC	Delaware	100% owned by our subsidiary Carbon Appalachian Company, LLC
Cranberry Pipeline Corporation	Delaware	100% owned by our subsidiary Carbon Appalachian Company, LLC