| Lease Name | Location | Operator | Oil Prod | Gas Prod | 
| Colorado 32-7-N32N7W 3sesw | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Colorado 32-7-N32N7W 3swne | La Plata County, CO | SIMCOE LLC |  |  | 
| Colorado 32-7-N32N7W 4nenw | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Colorado 32-7-N32N7W 4nese | La Plata County, CO | HIGH RIVER RESOURCES OPERATING LLC |  |  | 
| Colorado 32-7-N32N7W 4NWNW | La Plata County, CO | HIGH RIVER RESOURCES OPERATING LLC |  |  | 
| Colorado 32-7-N32N7W 4SWSW | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Colorado 32-7-N32N7W 4SWSW | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Colorado 32-7-N32N7W 9nwne | La Plata County, CO | HIGH RIVER RESOURCES OPERATING LLC |  |  | 
| Colorado 32-7-N32N7W 9NWNW | La Plata County, CO | HIGH RIVER RESOURCES OPERATING LLC |  |  | 
| Colorado 32-7-N32N7W 9sesw | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Colorado 32-8-N32N8W 4nwne | La Plata County, CO | HIGH RIVER RESOURCES OPERATING LLC |  |  | 
| Colorado 32-8-N32N8W 6NWSW | La Plata County, CO | HIGH RIVER RESOURCES OPERATING LLC |  |  | 
| Colvin, Bruce Gu A-M34N7W 19nesw | La Plata County, CO | SIMCOE LLC |  |  | 
| Compton-N33N12W 21sene (Owp) | La Plata County, CO | RED MESA HOLDINGS/O&G LLC |  |  | 
| Compton-N33N12W 21swne (Owp) | La Plata County, CO | RED MESA HOLDINGS/O&G LLC |  |  | 
| Conrad Gas Unit A-N35N7W 23SWSW | La Plata County, CO | SIMCOE LLC |  |  | 
| Conrad Gas Unit B-N35N7W 27swne | La Plata County, CO | SIMCOE LLC |  |  | 
| Conrad Ranch Gu B-N35N7W 27nenw | La Plata County, CO | SIMCOE LLC |  |  | 
| Cory Jack 33-7-11-N33N7W 11swne | La Plata County, CO | MARALEX RESOURCES, INC |  |  | 
| Couch Gas Unit 01-16u-M34N7W 16nwse | La Plata County, CO | SIMCOE LLC |  |  | 
| Couch-M34N7W 16nwne | La Plata County, CO | SIMCOE LLC |  |  | 
| Covey 33-7-10-N33N7W 10sese | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Cowan, Grace P. Trust G.U,A-N34N9W 11nesw | La Plata County, CO | SIMCOE LLC |  |  | 
| Cox Canyon-N33N10W 21NWSW | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Cox Canyon-N33N10W 21SWNW | La Plata County, CO | PETROGULF CORPORATION |  |  | 
| Cox Canyon-N33N10W 21SWNW | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Coyote Canyon 33-9-N33N9W 20NWSW | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Crader-N34N9W 2NWNW | La Plata County, CO | ENDURING RESOURCES LLC |  |  | 
| Crader-N34N9W 2NWSW | La Plata County, CO | ENDURING RESOURCES LLC |  |  | 
| Crader-N34N9W 3swse | La Plata County, CO | ENDURING RESOURCES LLC |  |  | 
| Craig Gas Unit-M34N9W 16nene | La Plata County, CO | PERLMAN* WILLIAM |  |  | 
| Craig Gas Unit-N33N10W 24nene | La Plata County, CO | BP AMERICA PRODUCTION COMPANY |  |  | 
| Craig Gas Unit-N33N10W 24nwse | La Plata County, CO | SIMCOE LLC |  |  | 
| Craig Gas Unit-N33N10W 24NWSW | La Plata County, CO | SIMCOE LLC |  |  | 
| Craig Gas Unit-N33N10W 24senw | La Plata County, CO | BP AMERICA PRODUCTION COMPANY |  |  | 
| Craig Ut-M34N9W 16senw | La Plata County, CO | SIMCOE LLC |  |  | 
| Craig,Helen Gu-M34N9W 9senw | La Plata County, CO | SIMCOE LLC |  |  | 
| Creek Gas Unit 29-1-M34N8W 29nwse | La Plata County, CO | SIMCOE LLC |  |  | 
| Creek-M34N8W 29nene | La Plata County, CO | SIMCOE LLC |  |  | 
| Criegler N33N8W 21nwne | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Crigler MVRD Unit-N33N8W 21nwse | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Crigler Unit MV Gas Unit-N33N8W 21sesw | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Crigler-MVRD Unit-N33N8W 21nenw | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Cugnini "A" Gu-M34N9W 26SWNW | La Plata County, CO | SIMCOE LLC |  |  | 
| Cugnini Gas Unit A-M34N9W 26nesw | La Plata County, CO | SIMCOE LLC |  |  | 
| Culhane-N35N8W 29nesw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Culhane-N35N8W 29swne | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Cummins Lila Gu A-N33N8W 4nwne | La Plata County, CO | SIMCOE LLC |  |  | 
| Cummins,Lila Gas Unit A-N33N8W 4swne | La Plata County, CO | SIMCOE LLC |  |  | 
| Cundiff Fed. Gas Unit A-N35N7W 20nesw | La Plata County, CO | SIMCOE LLC |  |  |