| 499435 | Sep 13, 2000 | Sep 13, 2000 | Durango Operating Co., Inc. | Callahan | Windham 164 #4164 | 1,500 | 05936542 |
| 474711 | Mar 27, 1998 | Mar 27, 1998 | Durango Operating Co., Inc. | Fisher | Y6 #1019 | 4,800 | 15131542 |
| 469316 | Nov 3, 1997 | Nov 3, 1997 | Durango Operating Co., Inc. | Fisher | Y6 #724 | 4,900 | 15132521 |
| 469242 | Nov 3, 1997 | Nov 3, 1997 | Durango Operating Co., Inc. | Callahan | Windham #4164 | 1,999 | 05936464 |
| 468100 | Oct 2, 1997 | Oct 2, 1997 | Durango Operating Co., Inc. | Fisher | Y6 #2219 | 4,700 | 15132514 |
| 461732 | May 6, 1997 | May 6, 1997 | Durango Operating Co., Inc. | Fisher | Y6 #2119 | 4,612 | 15131464 |
| 441828 | Nov 14, 1995 | Nov 14, 1995 | Durango Operating Co., Inc. | Callahan | Windham #3164 | 1,500 | 05936392 |
| 435701 | May 11, 1995 | May 11, 1995 | Durango Operating Co., Inc. | Callahan | Windham #2 | 1,350 | 05936377 |
| 434396 | Apr 7, 1995 | Apr 7, 1995 | Durango Operating Co., Inc. | Fisher | Y6 #2019 | 5,000 | 15132443 |
| 434397 | Apr 5, 1995 | Apr 5, 1995 | Durango Operating Co., Inc. | Fisher | Y6 #W 2S | 4,000 | 15131304 |
| 434395 | Apr 5, 1995 | Apr 5, 1995 | Durango Operating Co., Inc. | Fisher | Y6 #7019 | 4,600 | 15131464 |
| 431122 | Dec 27, 1994 | Dec 27, 1994 | Durango Operating Co., Inc. | Fisher | Y6 #6024 | 5,000 | 15132435 |
| 422244 | Mar 29, 1994 | Mar 29, 1994 | Durango Operating Co., Inc. | Dickens | McArthur #1 | 6,000 | 12530197 |
| 421791 | Mar 22, 1994 | Mar 22, 1994 | Durango Operating Co., Inc. | Fisher | Y6 #2024 | 4,600 | 15131435 |
| 421790 | Mar 22, 1994 | Mar 22, 1994 | Durango Operating Co., Inc. | Fisher | Y6 #1024 | 4,760 | 15131416 |
| 421789 | Mar 22, 1994 | Mar 22, 1994 | Durango Operating Co., Inc. | Fisher | Y6 #1719 | 5,000 | 15131722 |
| 421788 | Mar 22, 1994 | Mar 22, 1994 | Durango Operating Co., Inc. | Fisher | Y6 #1019 | 4,700 | 15131296 |
| 412716 | Jun 17, 1993 | Jun 17, 1993 | Durango Operating Co., Inc. | Callahan | Odom, Blan #3 | 1,999 | 05936296 |
| 409675 | Mar 11, 1993 | Mar 11, 1993 | Durango Operating Co., Inc. | Dickens | Moore #1 | 6,300 | 12530510 |
| 406675 | Dec 11, 1992 | Dec 11, 1992 | Durango Operating Co., Inc. | Throckmorton | Pace #1 | 4,800 | 44735331 |
| 402397 | Aug 20, 1992 | Aug 20, 1992 | Durango Operating Co., Inc. | Irion | Mims #1 | 800 | 23533035 |
| 398379 | Apr 22, 1992 | Apr 22, 1992 | Durango Operating Co., Inc. | Callahan | Odom, B. #2 | 1,399 | 05936234 |
| 395556 | Jan 16, 1992 | Jan 16, 1992 | Durango Operating Co., Inc. | Jones | Heller #1 | 3,600 | 25333967 |
| 392974 | Nov 19, 1991 | Nov 19, 1991 | Durango Operating Co., Inc. | Callahan | Windham, Frank A. #1B | 1,300 | 05935721 |
| 389797 | Jul 15, 1991 | Jul 15, 1991 | Durango Operating Co., Inc. | Callahan | Odom, B. #1165 | 4,400 | 05936180 |
| 336987 | Oct 9, 1987 | Oct 9, 1987 | Durango Operating Co., Inc. | Shackelford | Pittman "B" #1 | 4,573 | 41731619 |
| 321968 | Oct 21, 1986 | Oct 21, 1986 | Durango Operating Co., Inc. | Coleman | Clark, Ivan "C" #2C | 350 | 08334748 |
| 287908 | Oct 21, 1985 | Oct 21, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #6B | 350 | 08334556 |
| 287787 | Oct 18, 1985 | Oct 18, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #1C | 350 | 08334555 |
| 283555 | Aug 29, 1985 | Aug 29, 1985 | Durango Operating Co., Inc. | Callahan | Williams, A. A. #B1160 | 4,500 | 05935591 |
| 281595 | Aug 2, 1985 | Aug 2, 1985 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #4A | 300 | 08334512 |
| 278914 | Jun 27, 1985 | Jun 27, 1985 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #3A | 300 | 08334489 |
| 273011 | Apr 24, 1985 | Apr 24, 1985 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #4 | 300 | 08334437 |
| 273001 | Apr 23, 1985 | Apr 23, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #3B | 500 | 08334434 |
| 273003 | Apr 23, 1985 | Apr 23, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #5B | 500 | 08334435 |
| 272504 | Apr 16, 1985 | Apr 16, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #4B | 500 | 08334431 |
| 272503 | Apr 16, 1985 | Apr 16, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #2B | 500 | 08334430 |
| 272425 | Apr 15, 1985 | Apr 15, 1985 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #1WI | 300 | 08334426 |
| 272236 | Apr 15, 1985 | Apr 15, 1985 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #3 | 300 | 08334422 |
| 272423 | Apr 15, 1985 | Apr 15, 1985 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #WI2 | 300 | 08334425 |
| 272247 | Apr 15, 1985 | Apr 15, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #W1 | 300 | 08334423 |
| 272422 | Apr 15, 1985 | Apr 15, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #W2 | 300 | 08334424 |
| 266106 | Feb 6, 1985 | Feb 6, 1985 | Durango Operating Co., Inc. | Coleman | Clark, Ivan #1B | 500 | 08334366 |
| 253364 | Oct 2, 1984 | Oct 2, 1984 | Durango Operating Co., Inc. | Callahan | Windham, Frank #11 | 1,400 | 05935123 |
| 253370 | Oct 2, 1984 | Oct 2, 1984 | Durango Operating Co., Inc. | Callahan | Windham, Frank #10 | 1,400 | 05935124 |
| 221174 | Nov 21, 1983 | Nov 21, 1983 | Durango Operating Co., Inc. | Callahan | Windham, Frank #9 | 1,400 | 05934720 |
| 221167 | Nov 17, 1983 | Nov 17, 1983 | Durango Operating Co., Inc. | Callahan | Windham, Frank #8 | 1,400 | 05934718 |
| 207572 | Aug 25, 1983 | Aug 25, 1983 | Durango Operating Co., Inc. | Jones | Liner, E. #1 | 2,200 | 25332678 |
| 206924 | Aug 23, 1983 | Aug 23, 1983 | Durango Operating Co., Inc. | Callahan | Williams, A. A. #4 | 1,275 | 05934348 |
| 201074 | Jul 12, 1983 | Jul 12, 1983 | Durango Operating Co., Inc. | Callahan | Windham, Frank #7 | 1,275 | 05934274 |
| 194326 | May 11, 1983 | May 11, 1983 | Durango Operating Co., Inc. | Callahan | Windham, Frank #6 | 1,275 | 05934190 |
| 194325 | May 11, 1983 | May 11, 1983 | Durango Operating Co., Inc. | Callahan | Windham, Frank #5 | 1,275 | 05934189 |
| 185134 | Feb 4, 1983 | Feb 4, 1983 | Durango Operating Co., Inc. | Callahan | Williams, A. A. #3 | 1,275 | 05934065 |
| 180247 | Dec 14, 1982 | Dec 14, 1982 | Durango Operating Co., Inc. | Callahan | Windham, Frank #4 | 1,400 | 05933991 |
| 179381 | Dec 9, 1982 | Dec 9, 1982 | Durango Operating Co., Inc. | Callahan | Windham, Frank #3 | 1,400 | 05933984 |
| 172069 | Sep 16, 1982 | Sep 16, 1982 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #1-WIW | 475 | 08381737 |
| 170279 | Aug 26, 1982 | Aug 26, 1982 | Durango Operating Co., Inc. | Callahan | Windham, Frank #2 | 1,400 | 05933898 |
| 170198 | Aug 26, 1982 | Aug 26, 1982 | Durango Operating Co., Inc. | Callahan | Williams, A. A. #2 | 1,250 | 05933897 |
| 166876 | Jul 22, 1982 | Jul 22, 1982 | Durango Operating Co., Inc. | Brown | Maureen #10 | 300 | 04933230 |
| 152417 | Mar 8, 1982 | Mar 8, 1982 | Durango Operating Co., Inc. | Callahan | Williams, A.A. #1 | 1,250 | 05933625 |
| 149696 | Feb 2, 1982 | Feb 2, 1982 | Durango Operating Co., Inc. | Coleman | Wooten, Ben #1-A | 300 | 08332843 |
| 146647 | Dec 31, 1981 | Dec 31, 1981 | Durango Operating Co., Inc. | Brown | Maureen #14 | 300 | 04933010 |
| 146645 | Dec 31, 1981 | Dec 31, 1981 | Durango Operating Co., Inc. | Brown | Maureen #13 | 300 | 04933009 |
| 146644 | Dec 31, 1981 | Dec 31, 1981 | Durango Operating Co., Inc. | Brown | Maureen #12 | 300 | 04933008 |
| 146643 | Dec 31, 1981 | Dec 31, 1981 | Durango Operating Co., Inc. | Brown | Maureen #9 | 300 | 04933007 |
| 146640 | Dec 31, 1981 | Dec 31, 1981 | Durango Operating Co., Inc. | Brown | Maureen #8 | 300 | 04933006 |
| 134783 | Sep 18, 1981 | Sep 18, 1981 | Durango Operating Co., Inc. | Callahan | Windham, Frank #1 | 1,400 | 05933331 |
| 104675 | Dec 31, 1980 | Dec 31, 1980 | Durango Operating Co., Inc. | Coleman | Watson, Nanie #1A | 3,300 | 08332397 |
| 103647 | Dec 31, 1980 | Dec 31, 1980 | Durango Operating Co., Inc. | Brown | Maureen #10 | 300 | 04933208 |
| 103646 | Dec 31, 1980 | Dec 31, 1980 | Durango Operating Co., Inc. | Brown | Maureen #11 | 300 | 04932583 |
| 100203 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Brown | Maureen #7 | 300 | 04932527 |
| 100202 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Brown | Maureen #6 | 300 | 04932526 |
| 100201 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Brown | Maureen #5 | 300 | 04932525 |
| 100200 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Brown | Maureen #4 | 300 | 04932524 |
| 100199 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Brown | Maureen "A" #3A | 300 | 04932523 |
| 100198 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Brown | Maureen "A" #2A | 300 | 04932522 |
| 100197 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Brown | Maureen "A" #1A | 300 | 04932521 |
| 100190 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Coleman | Maureen "A" #4A | 300 | 08332342 |
| 100189 | Nov 24, 1980 | Nov 24, 1980 | Durango Operating Co., Inc. | Coleman | Maureen "A" #5A | 300 | 08332341 |
| 92421 | Sep 12, 1980 | Sep 12, 1980 | Durango Operating Co., Inc. | Brown | Maureen #3 | 300 | 04932439 |
| 92420 | Sep 12, 1980 | Sep 12, 1980 | Durango Operating Co., Inc. | Brown | Maureen #2 | 300 | 04932438 |
| 92418 | Sep 12, 1980 | Sep 12, 1980 | Durango Operating Co., Inc. | Brown | Mary Ann #1 | 3,300 | 04932437 |
| 92416 | Sep 12, 1980 | Sep 12, 1980 | Durango Operating Co., Inc. | Brown | Maureen #1 | 300 | 04932436 |
| 76057 | Mar 24, 1980 | Mar 24, 1980 | Durango Operating Co., Inc. | Callahan | Rauchle, Stephen #1 | 4,490 | 05932610 |
| 64782 | Nov 28, 1979 | Nov 28, 1979 | Durango Operating Co., Inc. | Callahan | Pruett #1 | 1,750 | 05932467 |
| 61823 | Oct 25, 1979 | Oct 25, 1979 | Durango Operating Co., Inc. | Callahan | Sowell, Charlie #2 | 775 | 05932423 |
| 56603 | Aug 28, 1979 | Aug 28, 1979 | Durango Operating Co., Inc. | Callahan | Sowell, Charlie #1 | 800 | 05932356 |
| 56301 | Aug 23, 1979 | Aug 23, 1979 | Durango Operating Co., Inc. | Coleman | Watson, R. T. #1 | 3,284 | 08302615 |