| 384434Amendment | Feb 8, 1991 | Feb 8, 1991 | Union Pacific Resources Company | Fayette | Schubert-Hemple Unit #1H14932444 | 13,500 |
| 384334 | Feb 6, 1991 | Feb 6, 1991 | Union Pacific Resources Company | Gonzales | Bruns-Miller Unit #1H17731875 | 14,200 |
| 384270 | Feb 5, 1991 | Feb 5, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #2621531878 | 7,512 |
| 384269 | Feb 5, 1991 | Feb 5, 1991 | Union Pacific Resources Company | Starr | Guerra, F. B. Estate -B- #1342732300 | 8,400 |
| 384267 | Feb 5, 1991 | Feb 5, 1991 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #4035532812 | 8,000 |
| 384165 | Feb 4, 1991 | Feb 4, 1991 | Union Pacific Resources Company | Victoria | McFaddin -B- #2946932763 | 7,550 |
| 384165Amendment | Feb 4, 1991 | Feb 4, 1991 | Union Pacific Resources Company | Victoria | McFaddin -B- #2946932763 | 7,550 |
| 384164 | Feb 4, 1991 | Feb 4, 1991 | Union Pacific Resources Company | Starr | Guerra, A. Jr. et al -A- #1042732317 | 10,200 |
| 384139 | Feb 1, 1991 | Feb 1, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3721531919 | 7,335 |
| 384136 | Feb 1, 1991 | Feb 1, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #4121531947 | 7,500 |
| 384133 | Feb 1, 1991 | Feb 1, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #2021531873 | 7,512 |
| 384131 | Feb 1, 1991 | Feb 1, 1991 | Union Pacific Resources Company | Brazos | Weedon-Weedon Unit #1H04131487 | 14,600 |
| 384130 | Feb 1, 1991 | Feb 1, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #4321531964 | 7,300 |
| 384130Amendment | Feb 1, 1991 | Feb 1, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #4321531964 | 7,300 |
| 383196 | Jan 31, 1991 | Jan 31, 1991 | Union Pacific Resources Company | Brazos | Wehmeyer-Wehmeyer Unit #1H04131477 | 12,000 |
| 383879 | Jan 25, 1991 | Jan 25, 1991 | Union Pacific Resources Company | Robertson | Hancock, John #1H39530368 | 12,800 |
| 383879Amendment | Jan 25, 1991 | Jan 25, 1991 | Union Pacific Resources Company | Robertson | Hancock, John #1H39530368 | 7,588 |
| 383876 | Jan 25, 1991 | Jan 25, 1991 | Union Pacific Resources Company | Robertson | Hancock, John #2H39530367 | 11,800 |
| 383875 | Jan 25, 1991 | Jan 25, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3421531905 | 6,350 |
| 383875Amendment | Jan 25, 1991 | Jan 25, 1991 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3421531905 | 6,350 |
| 383962 | Jan 24, 1991 | Jan 24, 1991 | Union Pacific Resources Company | Nueces | Rivers, W. C. #435532830 | 8,800 |
| 383841 | Jan 24, 1991 | Jan 24, 1991 | Union Pacific Resources Company | Panola | McNee, P. J. #150736532174 | 9,750 |
| 383798 | Jan 23, 1991 | Jan 23, 1991 | Union Pacific Resources Company | San Patricio | Welder Ranch #1740932333 | 8,022 |
| 383695 | Jan 21, 1991 | Jan 21, 1991 | Union Pacific Resources Company | Panola | J.F. Hancock Unit #536532432 | 9,950 |
| 383694 | Jan 21, 1991 | Jan 21, 1991 | Union Pacific Resources Company | Nueces | Jones, Eva M. Mrs. #235531639 | 8,800 |
| 383693 | Jan 21, 1991 | Jan 21, 1991 | Union Pacific Resources Company | Panola | Ross, C.B. #210736532256 | 7,200 |
| 383693Amendment | Jan 21, 1991 | Jan 21, 1991 | Union Pacific Resources Company | Panola | Ross, C.B. #210736532256 | 7,200 |
| 383693Amendment | Jan 21, 1991 | Jan 21, 1991 | Union Pacific Resources Company | Panola | Ross, C.B. #210736532256 | 7,200 |
| 383634 | Jan 18, 1991 | Jan 18, 1991 | Union Pacific Resources Company | Nueces | Gruene, O. A. #1835532702 | 8,000 |
| 383580 | Jan 17, 1991 | Jan 17, 1991 | Union Pacific Resources Company | Panola | Fred Kyle Unit "A" #536532430 | 9,980 |
| 383536 | Jan 16, 1991 | Jan 16, 1991 | Union Pacific Resources Company | Panola | Cgu 19 #536532169 | 9,715 |
| 383375 | Jan 14, 1991 | Jan 14, 1991 | Union Pacific Resources Company | Burleson | Porter-Porter "B" Unit #1H05133186 | 13,500 |
| 383374 | Jan 14, 1991 | Jan 14, 1991 | Union Pacific Resources Company | Nueces | Jones, Eva M. Mrs. #535532675 | 8,000 |
| 383346 | Jan 11, 1991 | Jan 11, 1991 | Union Pacific Resources Company | Fayette | Schkade-Zoch Unit #1H14932438 | 14,500 |
| 383345 | Jan 11, 1991 | Jan 11, 1991 | Union Pacific Resources Company | Victoria | McFaddin -A- #2446932358 | 5,500 |
| 383310 | Jan 11, 1991 | Jan 11, 1991 | Union Pacific Resources Company | Panola | Cgu 11 #736532241 | 9,700 |
| 383311 | Jan 10, 1991 | Jan 10, 1991 | Union Pacific Resources Company | Brazos | Longhorn Unit #1H04131478 | 13,500 |
| 383197 | Jan 9, 1991 | Jan 9, 1991 | Union Pacific Resources Company | Nueces | Dryden, J. W. #735531831 | 7,791 |
| 383073 | Jan 7, 1991 | Jan 7, 1991 | Union Pacific Resources Company | Victoria | McFaddin -A- #2046932058 | 10,500 |
| 383072 | Jan 7, 1991 | Jan 7, 1991 | Union Pacific Resources Company | Hidalgo | A. Guerra "B" Unit #621531838 | 8,350 |
| 383071 | Jan 7, 1991 | Jan 7, 1991 | Union Pacific Resources Company | Gonzales | Johnson, Fletcher #1H17731859 | 15,000 |
| 383069 | Jan 7, 1991 | Jan 7, 1991 | Union Pacific Resources Company | Fayette | Schkade, Clarence #1H14932435 | 14,800 |
| 382868 | Dec 31, 1990 | Dec 31, 1990 | Union Pacific Resources Company | Fayette | Kasper-Von Rosenberg Unit #1H14932434 | 14,600 |
| 382868Amendment | Dec 31, 1990 | Dec 31, 1990 | Union Pacific Resources Company | Fayette | Vonrosenberg-Kasper Unit #1H14932434 | 14,600 |
| 382867 | Dec 31, 1990 | Dec 31, 1990 | Union Pacific Resources Company | Fayette | Kasper-Giese Unit #1H14932433 | 14,000 |
| 382951 | Dec 28, 1990 | Dec 28, 1990 | Union Pacific Resources Company | Burleson | Hejl, Bennie #2H05133181 | 10,800 |
| 382951Amendment | Dec 28, 1990 | Dec 28, 1990 | Union Pacific Resources Company | Burleson | Hejl, Bennie #2H05133181 | 13,800 |
| 382939 | Dec 28, 1990 | Dec 28, 1990 | Union Pacific Resources Company | Gonzales | Nelson, Glenna "A" #1H17731857 | 13,000 |
| 382674 | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Brazos | Brazos Coal Limited "A" #1H04131476 | 15,500 |
| 382674Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Brazos | Brazos Coal Ltd.- Natucket Unit #1H04131476 | 15,500 |
| 382674Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Brazos | Brazos Coal Ltd.- Natucket Unit #1H04131476 | 15,500 |
| 382672 | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Panola | Sallie J. Neal Unit #736532420 | 10,500 |
| 382672Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Panola | Sallie J. Neal Unit #736532420 | 9,458 |
| 382671 | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Nueces | Wardner, G. P. #19935532769 | 8,000 |
| 382671Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Nueces | Wardner, G. P. #19935532769 | 8,000 |
| 382669 | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Panola | Lloyd Moore Gas Unit #436532421 | 10,500 |
| 382669Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Panola | Lloyd Moore Gas Unit #436532421 | 10,500 |
| 382624 | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Brazos | Walker, Mary #1H04131475 | 14,700 |
| 382624Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Brazos | Walker, Mary #1H04131475 | 14,300 |
| 382624Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Brazos | Mary Walker Unit #1H04131475 | 14,700 |
| 382624Amendment | Dec 21, 1990 | Dec 21, 1990 | Union Pacific Resources Company | Brazos | Mary Walker Unit #1H04131475 | 14,700 |
| 382576 | Dec 19, 1990 | Dec 19, 1990 | Union Pacific Resources Company | Fort Bend | Stephen Oberhoff GU #115731851 | 14,500 |
| 382576Amendment | Dec 19, 1990 | Dec 19, 1990 | Union Pacific Resources Company | Fort Bend | Stephen Oberhoff GU #115731851 | 14,500 |
| 382576Amendment | Dec 19, 1990 | Dec 19, 1990 | Union Pacific Resources Company | Fort Bend | Seigfried & Oberhoff GU #115731851 | 14,500 |
| 382575 | Dec 19, 1990 | Dec 19, 1990 | Union Pacific Resources Company | Washington | Stanley, John #1H47730679 | 15,800 |
| 382574 | Dec 19, 1990 | Dec 19, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #2421531913 | 7,650 |
| 381597 | Dec 19, 1990 | Dec 19, 1990 | Union Pacific Resources Company | Burleson | Paul-Hearne Unit #1H05133160 | 13,000 |
| 382539 | Dec 18, 1990 | Dec 18, 1990 | Union Pacific Resources Company | Fayette | Weishuhn-Bittner Unit #1H14932430 | 13,800 |
| 382405 | Dec 14, 1990 | Dec 14, 1990 | Union Pacific Resources Company | Washington | Goodrich-Stanley Unit #1H47730678 | 14,700 |
| 382347 | Dec 13, 1990 | Dec 13, 1990 | Union Pacific Resources Company | Fayette | Zoch, Eugene #1H14932427 | 14,100 |
| 382144 | Dec 10, 1990 | Dec 10, 1990 | Union Pacific Resources Company | Nueces | Wardner, G. P. #19035532673 | 8,000 |
| 381966 | Dec 10, 1990 | Dec 10, 1990 | Union Pacific Resources Company | Brazos | Brazos Farm Ltd.-Sausage Unit #1H04131474 | 11,600 |
| 382088 | Dec 7, 1990 | Dec 7, 1990 | Union Pacific Resources Company | Lee | Kieschnick-Goerlitz Unit #1H28732299 | 14,000 |
| 382088Amendment | Dec 7, 1990 | Dec 7, 1990 | Union Pacific Resources Company | Lee | Kieschnick-Goerlitz Unit #1H28732299 | 14,000 |
| 382088Amendment | Dec 7, 1990 | Dec 7, 1990 | Union Pacific Resources Company | Lee | Kieschnick-Goerlitz Unit #1H28732299 | 14,000 |
| 382088Amendment | Dec 7, 1990 | Dec 7, 1990 | Union Pacific Resources Company | Lee | Kieschnick-Goerlitz Unit #1H28732299 | 14,000 |
| 381990 | Dec 6, 1990 | Dec 6, 1990 | Union Pacific Resources Company | Fayette | Vonrosenberg-Vonrosenberg Un. #114932426 | 15,000 |
| 381970 | Dec 5, 1990 | Dec 5, 1990 | Union Pacific Resources Company | Burleson | Hensz-Giesenschlag Unit #1H05133167 | 16,000 |
| 381968 | Dec 5, 1990 | Dec 5, 1990 | Union Pacific Resources Company | Burleson | Cottonwood Bayou #2H05133166 | 16,000 |
| 381967 | Dec 5, 1990 | Dec 5, 1990 | Union Pacific Resources Company | Burleson | Cottonwood Bayou #3H05133165 | 15,000 |
| 381872 | Dec 4, 1990 | Dec 4, 1990 | Union Pacific Resources Company | Fayette | Bushca-Hempel Unit #1H14932425 | 14,200 |
| 381819 | Dec 3, 1990 | Dec 3, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G. P. #18527332109 | 10,450 |
| 381819Amendment | Dec 3, 1990 | Dec 3, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G. P. #18527332109 | 10,450 |
| 381699 | Nov 30, 1990 | Nov 30, 1990 | Union Pacific Resources Company | Burleson | Lightsey-Lightsey Unit #1H05133163 | 11,400 |
| 381699Amendment | Nov 30, 1990 | Nov 30, 1990 | Union Pacific Resources Company | Burleson | Lightsey-Lightsey Unit #1H05133163 | 12,000 |
| 381651 | Nov 28, 1990 | Nov 28, 1990 | Union Pacific Resources Company | Gonzales | Goodwin, Jones #1H17731839 | 14,000 |
| 381651Amendment | Nov 28, 1990 | Nov 28, 1990 | Union Pacific Resources Company | Gonzales | Goodwin, Jones #1H17731839 | 14,000 |
| 381651Amendment | Nov 28, 1990 | Nov 28, 1990 | Union Pacific Resources Company | Gonzales | Goodwin, Jones #1H17731839 | 14,000 |
| 381650 | Nov 28, 1990 | Nov 28, 1990 | Union Pacific Resources Company | Gonzales | Chenault, Carey #1H17731838 | 11,000 |
| 381600 | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Burleson | Oliver-Old River Farm Unit #1H05133161 | 13,500 |
| 381599 | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | Crowley, Timothy #1H04131472 | 14,400 |
| 381599Amendment | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | Crowley, Timothy #1H04131472 | 10,600 |
| 381598 | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | Brazos Coal Limited #1H04131470 | 15,600 |
| 381598Amendment | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | Brazos Coal Limited #1H04131470 | 15,600 |
| 381598Amendment | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | Brazos Coal Limited #1H04131470 | 14,500 |
| 381596 | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Burleson | Lewis-Hoyt Unit #1H05133162 | 14,500 |
| 381596Amendment | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Burleson | Lewis-Hoyt Unit #1H05133162 | 14,500 |
| 381595 | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | McFarlane. J. W. #2H04131471 | 16,000 |
| 381595Amendment | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | McFarlane. J. W. #2H04131471 | 16,000 |
| 381595Amendment | Nov 27, 1990 | Nov 27, 1990 | Union Pacific Resources Company | Brazos | McFarlane. J. W. #2H04131471 | 16,000 |