| May 23, 2008 | Oriva Federal 7-8W49-005-56823 | Paupers Dream CompanyOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,661 ft | SpuddedDec 10, 2008 |
| May 23, 2008 | Oriva Federal 10-9W49-005-56831 | Paupers Dream CompanyOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,716 ft | SpuddedNov 4, 2008 |
| May 14, 2008 | Oriva Federal 11-9W49-005-56834 | Paupers Dream CompanyOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,668 ft | SpuddedOct 24, 2008 |
| May 14, 2008 | Oriva Federal 12-9W49-005-56837 | Paupers Dream CompanyOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,687 ft | SpuddedOct 7, 2008 |
| May 14, 2008 | Oriva Federal 13-9W49-005-56840 | Paupers Dream CompanyOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,754 ft | SpuddedSep 15, 2008 |
| May 14, 2008 | Oriva Federal 8-9W49-005-56849 | Paupers Dream CompanyOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,662 ft | SpuddedNov 25, 2008 |
| May 14, 2008 | Oriva Federal 9-9W49-005-56851 | Paupers Dream CompanyOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,678 ft | SpuddedNov 18, 2008 |
| Aug 2, 2006 | Love State 34-13 Faw49-005-55970 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedAug 4, 2006 |
| Jul 25, 2006 | Love Fed 21-13FAW49-005-55973 | Emerald Operating Company | Campbell | Anderson Coal | 1,900 ft | SpuddedSep 5, 2006 |
| Jul 18, 2006 | Love Fed 12-13 Faw49-005-55967 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,200 ft | SpuddedAug 22, 2006 |
| Jul 18, 2006 | Love Fed 43-13 Faw49-005-55968 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedNov 29, 2006 |
| Jul 18, 2006 | Love Fed 32-13 Faw49-005-55971 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedSep 1, 2006 |
| Jul 18, 2006 | Love Fed 23-13 Faw49-005-55972 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedDec 12, 2006 |
| Jul 18, 2006 | Love Fed 14-13 Faw49-005-55974 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedAug 22, 2006 |
| Jul 18, 2006 | S-Bar Fed 12-18 Faw49-005-56062 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedNov 9, 2006 |
| Jul 18, 2006 | S-Bar Fed 14-18 Faw49-005-56064 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedAug 14, 2006 |
| Jul 18, 2006 | S-Bar Fed 21-18 Faw49-005-56067 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedNov 1, 2006 |
| Jul 18, 2006 | S-Bar Fed 23-18 Faw49-005-56071 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedSep 15, 2006 |
| Jul 18, 2006 | S Bar Fed 32-18 Faw49-005-56074 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedSep 11, 2006 |
| Jul 18, 2006 | S-Bar Fed 43-18 Faw49-005-56079 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedSep 18, 2006 |
| Jul 18, 2006 | Watsabaugh Federal 14-19 Faw49-005-56084 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedOct 25, 2006 |
| Jul 18, 2006 | S-Bar Fed 21-19 Faw49-005-56087 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedOct 24, 2006 |
| Jul 18, 2006 | Watsabaugh Federal 23-19 Faw49-005-56089 | Emerald Operating Company | Campbell | Felix Coal | 1,900 ft | SpuddedOct 3, 2006 |
| Jul 18, 2006 | S-Bar Fed 32-19 Faw49-005-56093 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedOct 13, 2006 |
| Jul 18, 2006 | Watsabaugh Federal 34-19 Faw49-005-56096 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedSep 27, 2006 |
| Jul 18, 2006 | S-Bar Fed 41-19 Faw49-005-56099 | Emerald Operating Company | Campbell | Anderson Coal | 1,900 ft | SpuddedSep 28, 2006 |
| Jul 18, 2006 | Watsabaugh Federal 43-19 Faw49-005-56100 | Emerald Operating Company | Campbell | Anderson-Wall Coal | 1,900 ft | SpuddedSep 21, 2006 |
| Jul 7, 2006 | JWS S Bar 32AX-170449-005-57653 | Emerald Operating Company | Campbell | Anderson Coal | 1,038 ft | SpuddedJul 19, 2006 |
| Dec 14, 2005 | Federal Wright 34-3249-005-56863 | Emerald Operating Company | Campbell | Wyodak Coal | 970 ft | SpuddedApr 10, 2006 |
| Dec 14, 2005 | Carlton Federal 43-1949-005-56864 | Emerald Operating Company | Campbell | Wyodak Coal | 1,075 ft | SpuddedJul 12, 2006 |
| Dec 13, 2005 | S-Bar Fed 12-19 Faw49-005-56889 | Emerald Operating Company | Campbell | Anderson Coal | 1,200 ft | SpuddedOct 11, 2006 |
| Dec 5, 2005 | Fuller Federal 43-3249-005-56816 | Emerald Operating Company | Campbell | Fort Union | 975 ft | SpuddedMar 8, 2006 |
| Dec 5, 2005 | Fuller Federal 14-3249-005-56817 | Emerald Operating Company | Campbell | Fort Union | 1,060 ft | SpuddedMar 29, 2006 |
| Dec 5, 2005 | Fuller Federal 23-3249-005-56818 | Emerald Operating Company | Campbell | Fort Union | 960 ft | SpuddedMar 15, 2006 |
| Oct 31, 2005 | S-Bar Fed 34-18 Faw49-005-56076 | Emerald Operating Company | Campbell | Anderson Coal | 1,200 ft | SpuddedOct 5, 2006 |
| May 20, 2005 | Throne Wall 33-849-005-55803 | Emerald Operating Company | Campbell | Wall Coal | 1,610 ft | SpuddedJun 10, 2005 |
| May 20, 2005 | Throne Wall 31-849-005-55804 | Emerald Operating Company | Campbell | Wall Coal | 1,600 ft | SpuddedJun 21, 2005 |
| May 20, 2005 | Throne Wall 22-849-005-55805 | Emerald Operating Company | Campbell | Wall Coal | 1,625 ft | SpuddedJul 1, 2005 |
| Aug 5, 2004 | Davis Fed 4673-1-3249-005-53678 | Emerald Operating Company | Campbell | Wyodak Coal | 955 ft | SpuddedSep 7, 2004 |
| Jul 20, 2004 | Bowes 42-949-005-53675 | Emerald Operating Company | Campbell | Minnelusa | 9,800 ft | SpuddedJul 31, 2004 |
| Jul 20, 2004 | Catterson 31-949-005-53677 | Emerald Operating Company | Campbell | Minnelusa | 9,675 ft | SpuddedJul 31, 2004 |
| Apr 12, 2004 | Clark 32-949-005-53004 | Emerald Operating Company | Campbell | Minnelusa | 9,650 ft | SpuddedJun 24, 2004 |
| Jan 5, 2004 | Ohman Fed 12-35A49-005-52125 | Emerald Operating Company | Campbell | Anderson Coal | 995 ft | SpuddedJan 23, 2004 |
| Jan 5, 2004 | Ohman Fed 14-35A49-005-52126 | Emerald Operating Company | Campbell | Anderson Coal | 1,000 ft | SpuddedJan 29, 2004 |
| Jan 5, 2004 | Ohman Fed 21-35A49-005-52127 | Emerald Operating Company | Campbell | Anderson Coal | 990 ft | SpuddedJan 23, 2004 |
| Jan 5, 2004 | Ohman Fed 23-35A49-005-52128 | Emerald Operating Company | Campbell | Anderson Coal | 995 ft | SpuddedJan 28, 2004 |
| Jun 11, 2003 | JWS-S Bar 32 F-170449-005-49421 | Jims Water Service IncOperator of record: Emerald Operating Company | Campbell | Felix Coal | 350 ft | SpuddedMar 2, 2004 |
| Jun 11, 2003 | JWS-S Bar 32 A-170449-005-49422 | Jims Water Service IncOperator of record: Emerald Operating Company | Campbell | Anderson Coal | 975 ft | SpuddedMar 8, 2004 |
| Jun 11, 2003 | JWS-S Bar 32W-170449-005-49423 | Jims Water Service IncOperator of record: Emerald Operating Company | Campbell | Wall Coal | 1,610 ft | SpuddedMar 31, 2004 |
| Feb 4, 2003 | Ohman Fed 12-3549-005-50548 | Emerald Operating Company | Campbell | Canyon Coal | 1,350 ft | SpuddedAug 26, 2003 |