| 95389 | Oct 10, 1980 | Oct 10, 1980 | Threshold Development Co. | Crosby | James, T. C., Jr. #10 | 4,700 | 10730566 |
| 95388 | Oct 10, 1980 | Oct 10, 1980 | Threshold Development Co. | Crosby | James, T. C., Jr. #9 | 4,700 | 10730565 |
| 95387 | Oct 10, 1980 | Oct 10, 1980 | Threshold Development Co. | Crosby | Wheeler, Rex #13 | 4,500 | 10730564 |
| 95386 | Oct 10, 1980 | Oct 10, 1980 | Threshold Development Co. | Crosby | Wheeler, Rex #12 | 4,500 | 10730563 |
| 95385 | Oct 10, 1980 | Oct 10, 1980 | Threshold Development Co. | Crosby | Wheeler, Rex #11 | 4,500 | 10730562 |
| 95384 | Oct 10, 1980 | Oct 10, 1980 | Threshold Development Co. | Crosby | Wheeler, Rex #10 | 4,500 | 10730561 |
| 94978 | Oct 7, 1980 | Oct 7, 1980 | Threshold Development Co. | Lubbock | Railsback, Dora #1 | 4,850 | 30330621 |
| 94977 | Oct 7, 1980 | Oct 7, 1980 | Threshold Development Co. | Lubbock | Bessent, C.T. #1 | 5,200 | 30330620 |
| 94625 | Oct 3, 1980 | Oct 3, 1980 | Threshold Development Co. | Lubbock | Sides, B.H. #1 | 4,800 | 30330619 |
| 94359 | Oct 1, 1980 | Oct 1, 1980 | Threshold Development Co. | Lubbock | Harlan, J. S. #1 | 5,200 | 30330615 |
| 93106 | Sep 18, 1980 | Sep 18, 1980 | Threshold Development Co. | Lubbock | Collier, W. R. #1 | 5,200 | 30330610 |
| 92147 | Sep 11, 1980 | Sep 11, 1980 | Threshold Development Co. | Crosby | Ferguson, Wesley #1 | 4,700 | 10730557 |
| 92142 | Sep 11, 1980 | Sep 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #4 | 4,400 | 10730556 |
| 92141 | Sep 11, 1980 | Sep 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "D" #4 | 4,400 | 10730555 |
| 92140 | Sep 11, 1980 | Sep 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #8 | 4,400 | 10730554 |
| 92132 | Sep 11, 1980 | Sep 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #2 | 4,400 | 10730553 |
| 92131 | Sep 10, 1980 | Sep 10, 1980 | Threshold Development Co. | Crosby | Wood, Clark "B" #4 | 4,400 | 10730552 |
| 87904 | Jul 28, 1980 | Jul 28, 1980 | Threshold Development Co. | Yoakum | Williams, J. P. #1 | 9,300 | 50131871 |
| 87051 | Jul 11, 1980 | Jul 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #6 | 4,350 | 10730530 |
| 85341 | Jun 27, 1980 | Jun 27, 1980 | Threshold Development Co. | Crosby | Wood, Clark "D" #3 | 4,350 | 10730524 |
| 84521 | Jun 20, 1980 | Jun 20, 1980 | Threshold Development Co. | Crosby | McClanahan, A. L. #3 | 4,700 | 10730521 |
| 83522 | Jun 11, 1980 | Jun 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #3 | 4,350 | 10730515 |
| 82670 | Jun 2, 1980 | Jun 2, 1980 | Threshold Development Co. | Crosby | McClanahan, A. L. #4 | 4,700 | 10730512 |
| 82339 | May 29, 1980 | May 29, 1980 | Threshold Development Co. | Crosby | McClanahan, A. L. #2 | 4,700 | 10730511 |
| 81913 | May 22, 1980 | May 22, 1980 | Threshold Development Co. | Garza | Sims, Ed K. #1 | 8,525 | 16931279 |
| 81493 | May 16, 1980 | May 16, 1980 | Threshold Development Co. | Garza | Evans, Blanche #1 | 4,825 | 16931269 |
| 81368 | May 16, 1980 | May 16, 1980 | Threshold Development Co. | Crosby | Collier, Grace "A" #1 | 4,300 | 10730509 |
| 80792 | May 9, 1980 | May 9, 1980 | Threshold Development Co. | Crosby | Collier, Grace et Al #1 | 4,300 | 10730507 |
| 80341 | May 6, 1980 | May 6, 1980 | Threshold Development Co. | Crosby | Collier, G. D., et Al #5-1 | 4,300 | 10730506 |
| 80209 | May 5, 1980 | May 5, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #5 | 4,350 | 10730505 |
| 80208 | May 5, 1980 | May 5, 1980 | Threshold Development Co. | Crosby | Wheeler, J. A. "A" #5 | 4,200 | 10730504 |
| 80207 | May 5, 1980 | May 5, 1980 | Threshold Development Co. | Crosby | Wheeler, J. A. "A" #6 | 4,200 | 10730503 |
| 79560 | Apr 29, 1980 | Apr 29, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #7 | 4,350 | 10730498 |
| 78735 | Apr 18, 1980 | Apr 18, 1980 | Threshold Development Co. | Crosby | Wood, Clark "D" #2 | 4,350 | 10730497 |
| 78734 | Apr 18, 1980 | Apr 18, 1980 | Threshold Development Co. | Crosby | Wood, Clark "D" #1 | 4,350 | 10730496 |
| 78613 | Apr 17, 1980 | Apr 17, 1980 | Threshold Development Co. | Crosby | Wood, Clark "C" #2 | 4,350 | 10730493 |
| 78108 | Apr 11, 1980 | Apr 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "B" #3 | 4,350 | 10730491 |
| 78107 | Apr 11, 1980 | Apr 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "B" #2 | 4,350 | 10730490 |
| 77948 | Apr 11, 1980 | Apr 11, 1980 | Threshold Development Co. | Crosby | Wood, Clark "B" #1 | 4,350 | 10730489 |
| 77333 | Apr 4, 1980 | Apr 4, 1980 | Threshold Development Co. | Crosby | Wood, Clark "C" #1 | 4,350 | 10730486 |
| 75746 | Mar 20, 1980 | Mar 20, 1980 | Threshold Development Co. | Crosby | Wheeler, J. A. "A" #4 | 4,200 | 10730467 |
| 74844 | Mar 11, 1980 | Mar 11, 1980 | Threshold Development Co. | Crosby | James, T. C., Jr. #8 | 4,600 | 10730465 |
| 74843 | Mar 11, 1980 | Mar 11, 1980 | Threshold Development Co. | Crosby | James, T. C., Jr. #7 | 4,600 | 10730464 |
| 74237 | Mar 5, 1980 | Mar 5, 1980 | Threshold Development Co. | Crosby | Wheeler, J. A. "A" #3 | 4,200 | 10730463 |
| 74205 | Mar 4, 1980 | Mar 4, 1980 | Threshold Development Co. | Crosby | Davis, J. F., Jr. #3 | 4,500 | 10730462 |
| 74029 | Mar 3, 1980 | Mar 3, 1980 | Threshold Development Co. | Crosby | James, T. C., Jr. #6 | 4,600 | 10730461 |
| 73399 | Feb 25, 1980 | Feb 25, 1980 | Threshold Development Co. | Crosby | Wood, Clark "A" #1 | 4,350 | 10730458 |
| 73310 | Feb 22, 1980 | Feb 22, 1980 | Threshold Development Co. | Crosby | Wheeler, Rex #9 | 4,600 | 10730457 |
| 70727 | Jan 24, 1980 | Jan 24, 1980 | Threshold Development Co. | Crosby | James, T. C. Jr. #4 | 4,600 | 10730449 |
| 70726 | Jan 24, 1980 | Jan 24, 1980 | Threshold Development Co. | Crosby | James, T. C. Jr. #5 | 4,600 | 10730448 |
| 70519 | Jan 22, 1980 | Jan 22, 1980 | Threshold Development Co. | Garza | Richardson, Lucille #1 | 8,800 | 16931143 |
| 69737 | Jan 15, 1980 | Jan 15, 1980 | Threshold Development Co. | Crosby | Wheeler, Rex #8 | 4,700 | 10730446 |
| 69419 | Jan 11, 1980 | Jan 11, 1980 | Threshold Development Co. | Crosby | Wheeler, Rex #7 | 4,700 | 10730445 |
| 66801 | Dec 13, 1979 | Dec 13, 1979 | Threshold Development Co. | Crosby | Williams, J. G. #1 | 4,800 | 10730437 |
| 66799 | Dec 13, 1979 | Dec 13, 1979 | Threshold Development Co. | Crosby | Robertson, A. L. "D" #1 | 4,800 | 10730436 |
| 65100 | Nov 30, 1979 | Nov 30, 1979 | Threshold Development Co. | Crosby | Robertson, Pool et Al #1 | 4,693 | 10730435 |
| 63276 | Nov 8, 1979 | Nov 8, 1979 | Threshold Development Co. | Crosby | Davis, J. F., Jr. #2 | 4,600 | 10730428 |
| 63275 | Nov 8, 1979 | Nov 8, 1979 | Threshold Development Co. | Crosby | McClanahan, A. L. #1 | 4,700 | 10730427 |
| 62694 | Nov 1, 1979 | Nov 1, 1979 | Threshold Development Co. | Crosby | Wheeler, Rex #6 | 4,500 | 10730425 |
| 60625 | Oct 15, 1979 | Oct 15, 1979 | Threshold Development Co. | Stephens | Rogers, R. M. "27" #1 | 4,600 | 42932307 |
| 60506 | Oct 15, 1979 | Oct 15, 1979 | Threshold Development Co. | Crosby | Wheeler, J. A. "A" #2 | 4,500 | 10730420 |
| 58547 | Sep 21, 1979 | Sep 21, 1979 | Threshold Development Co. | Crosby | Wheeler, Rex #5 | 4,500 | 10730407 |
| 58246 | Sep 18, 1979 | Sep 18, 1979 | Threshold Development Co. | Crosby | Wheeler, Rex #4 | 4,500 | 10730406 |
| 57933 | Sep 13, 1979 | Sep 13, 1979 | Threshold Development Co. | Crosby | James, T. C., Jr. #3 | 4,500 | 10730399 |
| 56864 | Aug 30, 1979 | Aug 30, 1979 | Threshold Development Co. | Crosby | James, T. C. Jr. #2 | 4,500 | 10730397 |
| 54689 | Aug 6, 1979 | Aug 6, 1979 | Threshold Development Co. | Crosby | Cockrill, Clara #1 | 4,500 | 10730393 |
| 54078 | Jul 31, 1979 | Jul 31, 1979 | Threshold Development Co. | Crosby | Wheeler, Rex #3 | 4,500 | 10730391 |
| 53043 | Jul 12, 1979 | Jul 12, 1979 | Threshold Development Co. | Crosby | Price, Guy & Annabelle #101 | 3,760 | 10700007 |
| 52707 | Jul 12, 1979 | Jul 12, 1979 | Threshold Development Co. | Crosby | Bryant, R. E. #1 | 4,500 | 10730384 |
| 51752 | Jun 27, 1979 | Jun 27, 1979 | Threshold Development Co. | Crosby | Wheeler, Rex #2 | 4,500 | 10730374 |
| 51182 | Jun 20, 1979 | Jun 20, 1979 | Threshold Development Co. | Crosby | Wheeler, Josephine #1 | 4,500 | 10730373 |
| 51181 | Jun 20, 1979 | Jun 20, 1979 | Threshold Development Co. | Crosby | Wheeler, J. A. #1 | 4,500 | 10730372 |
| 50893 | Jun 15, 1979 | Jun 15, 1979 | Threshold Development Co. | Crosby | Caddell, Delton #1 | 4,500 | 10730371 |
| 50421 | Jun 11, 1979 | Jun 11, 1979 | Threshold Development Co. | Crosby | Wheeler, Rex #1 | 4,500 | 10730369 |
| 49735 | May 30, 1979 | May 30, 1979 | Threshold Development Co. | Crosby | James, T. C., Jr. #1 | 4,500 | 10730366 |
| 49734 | May 30, 1979 | May 30, 1979 | Threshold Development Co. | Crosby | Wheeler Estate #1 | 4,500 | 10730365 |
| 49097 | May 23, 1979 | May 23, 1979 | Threshold Development Co. | Crosby | Davis, J. F. Jr. #1 | 4,500 | 10730363 |
| 47914 | May 7, 1979 | May 7, 1979 | Threshold Development Co. | Irion | Hobermacher, R. A. #1 | 2,500 | 23531375 |
| 46090 | Apr 11, 1979 | Apr 11, 1979 | Threshold Development Co. | Crosby | Stevens, Clara #1 | 8,960 | 10730354 |
| 44686 | Mar 20, 1979 | Mar 20, 1979 | Threshold Development Co. | Irion | Ball, Fred #3 | 2,828 | 23530662 |
| 43120 | Feb 26, 1979 | Feb 26, 1979 | Threshold Development Co. | Crosby | Cypert, Vance #1 | 9,708 | 10730349 |
| 41436 | Jan 25, 1979 | Jan 25, 1979 | Threshold Development Co. | Crosby | Marsh, Ray #1 | 9,733 | 10730345 |
| 39153 | Dec 19, 1978 | Dec 19, 1978 | Threshold Development Co. | Stephens | Rogers, R. M. #7 | 4,200 | 42932035 |
| 38877 | Dec 14, 1978 | Dec 14, 1978 | Threshold Development Co. | Stephens | Rogers, R. M. "D" #24 | 4,200 | 42932030 |
| 37629 | Nov 28, 1978 | Nov 28, 1978 | Threshold Development Co. | Stephens | Rogers, R. M. "D" #23 | 4,200 | 42932017 |
| 37471 | Nov 22, 1978 | Nov 22, 1978 | Threshold Development Co. | Crosby | Malone, Annie #1 | 10,039 | 10730335 |
| 36702 | Nov 10, 1978 | Nov 10, 1978 | Threshold Development Co. | Stephens | Ward, J. M. Estate #16 | 4,200 | 42932005 |
| 36700 | Nov 10, 1978 | Nov 10, 1978 | Threshold Development Co. | Stephens | Ward, J. M. Estate #15 | 4,200 | 42932004 |
| 33957 | Oct 3, 1978 | Oct 3, 1978 | Threshold Development Co. | Stephens | Winston, Joe #10-B | 4,150 | 42931960 |
| 31007 | Aug 21, 1978 | Aug 21, 1978 | Threshold Development Co. | Crosby | Pratt, R. V. #1 | 9,766 | 10730325 |
| 30801 | Aug 16, 1978 | Aug 16, 1978 | Threshold Development Co. | Stephens | Winston, J. -A- #8 | 4,225 | 42931916 |
| 29620 | Jul 12, 1978 | Jul 12, 1978 | Threshold Development Co. | Crosby | Robertson #1 | 4,602 | 10780030 |
| 28037 | Jun 14, 1978 | Jun 14, 1978 | Threshold Development Co. | Garza | Robertson "A" #1 | 3,835 | 16981114 |