| | GARFIELD COUNTY PITS 2011 | ROGER CHAMBERLIN | $14,565 | BUREAU OF LAND MANAGEMENT | BUREAU OF LAND MANAGEMENT | — | 237990Other Heavy and Civil Engineering Construction | Y211 | Jun 3, 2011 | Jun 3, 2011 | Nov 1, 2011 |
| | CONSTRUCTION OF 6 PITS AND 6 RESERVOIRS | ROGER CHAMBERLIN | $77,559 | BUREAU OF LAND MANAGEMENT | — | — | 237110Water and Sewer Line and Related Structures Construction | Y219 | Aug 27, 2008 | Aug 27, 2008 | May 23, 2009 |
| | PITS AND RESEVIORS | ROGER CHAMBERLIN | $23,993 | BUREAU OF LAND MANAGEMENT | — | — | 237990Other Heavy and Civil Engineering Construction | Y299 | Jul 7, 2008 | Jul 7, 2008 | Sep 30, 2008 |
| | CONSTRUCT 10 PITS AND 4 RESERVOIRS | ROGER CHAMBERLIN | $44,076 | BUREAU OF LAND MANAGEMENT | — | — | 237110Water and Sewer Line and Related Structures Construction | Y219 | Jun 27, 2007 | Jun 27, 2007 | Dec 31, 2007 |
| | CF PIT & RESERVOIRS 2005 | ROGER CHAMBERLIN | $12,156 | BUREAU OF LAND MANAGEMENT | — | — | 237110Water and Sewer Line and Related Structures Construction | F018NATURAL RESOURCES/CONSERVATION- OTHER FOREST/RANGE IMPROVEMENTS (NON-CONSTRUCTION) | Jun 16, 2005 | Jun 16, 2005 | Oct 30, 2005 |
| | GARFIELD PIT & RES 2005 | ROGER CHAMBERLIN | $10,066 | BUREAU OF LAND MANAGEMENT | — | — | 237110Water and Sewer Line and Related Structures Construction | F018NATURAL RESOURCES/CONSERVATION- OTHER FOREST/RANGE IMPROVEMENTS (NON-CONSTRUCTION) | May 24, 2005 | May 24, 2005 | Sep 15, 2005 |
| | MOSBY REFINERY CLEANUP - MT | ROGER CHAMBERLIN | $37,383 | BUREAU OF LAND MANAGEMENT | — | — | 562910Remediation Services | F008NATURAL RESOURCES/CONSERVATION- RECREATION SITE MAINTENANCE (NON-CONSTRUCTION) | May 12, 2005 | May 12, 2005 | Oct 2, 2005 |
| | T & J PITS & RES. "2004" | ROGER CHAMBERLIN | $4,549 | BUREAU OF LAND MANAGEMENT | — | — | 237110Water and Sewer Line and Related Structures Construction | Y219 | Sep 14, 2004 | Sep 13, 2004 | — |
| | TRAIL CREEK RESERVOIR '2004' | ROGER CHAMBERLIN | $3,688 | BUREAU OF LAND MANAGEMENT | — | — | 235990 | Y219 | Aug 20, 2004 | Aug 20, 2004 | — |
| | PITS AND RESERVOIR CONSTRUCTION | ROGER CHAMBERLIN | $20,608 | BUREAU OF LAND MANAGEMENT | — | — | 235990 | Y219 | Nov 7, 2003 | Nov 7, 2003 | Aug 26, 2004 |
| | — | ROGER CHAMBERLIN | $0 | BUREAU OF LAND MANAGEMENT | — | — | 234990 | Y211 | Jul 15, 2002 | Jul 15, 2002 | Oct 15, 2002 |
| | — | ROGER CHAMBERLIN | $0 | BUREAU OF LAND MANAGEMENT | — | — | 234930 | Y211 | Jul 15, 2002 | Jul 15, 2002 | Dec 15, 2002 |
| | — | ROGER CHAMBERLIN | $0 | DEPT OF THE ARMY | — | — | — | Y211 | Aug 15, 1999 | Aug 15, 1999 | Nov 15, 1999 |
| | — | ROGER CHAMBERLIN | $0 | BUREAU OF LAND MANAGEMENT | — | — | — | Y211 | May 15, 1997 | May 15, 1997 | Sep 15, 1997 |