| 128401 | U S A 4 | Franklin County, MS | Oil & Gas Property | Jan 1995 |
| 128402 | U S A 7 | Adams County, MS | Oil & Gas Property | Jan 2025 |
| 128403 | U S A 73 | Adams County, MS | Oil Property | May 1992 |
| 128404 | U S A A | Franklin County, MS | Oil & Gas Property | Jan 1986 |
| 128405 | U S A B | Adams County, MS | Oil & Gas Property | Aug 2024 |
| 128406 | U S A C | Adams County, MS | Oil Property | Mar 1998 |
| 128407 | U S A E | Franklin County, MS | Oil & Gas Property | Dec 2024 |
| 128408 | U S A MENTOR | Oscoda County, MI | Oil & Gas Property | Mar 2025 |
| 128409 | U S A-PAN AM | Adams County, MS | Oil & Gas Property | Jul 1994 |
| 128410 | U S A-PICEANCE CREEK | Rio Blanco County, CO | Oil & Gas Property | Feb 2025 |
| 128411 | U S A-PICEANCE CREEK | Rio Blanco County, CO | Oil & Gas Property | Feb 2025 |
| 128412 | U S ARGO | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 128413 | U S CONCRETE | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 128414 | U S DEPARTMENT OF INT (BLM) | Clay County, KY | Gas Property | Dec 2023 |
| 128415 | U S F S | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 128416 | U S F S | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 128417 | U S F S & R I STOVER KB | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 128418 | U S F S LOT 201 KC | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 128419 | U S FOREST SERVICE | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 128420 | U S FOREST SERVICE | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 128421 | U S FOREST SERVICE | Leslie County, KY | Oil & Gas Property | Dec 2023 |
| 128422 | U S FOREST SVC CENTRAL PA LUMBER | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 128423 | U S FORESTRY SERVICE 00 | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 128424 | U S GOVERNMENT | Caddo Parish, LA | Oil Property | Dec 2024 |
| 128425 | U S GOVERNMENT | Whitley County, KY | Oil & Gas Property | Dec 2023 |
| 128426 | U S GOVERNMENT | Leslie County, KY | Oil & Gas Property | Dec 2022 |
| 128427 | U S GOVERNMENT | Haskell County, OK | Gas Property | Jan 2025 |
| 128428 | U S GOVERNMENT NATL FOREST | Warren County, PA | Oil & Gas Property | Dec 2019 |
| 128429 | U S GOVT/ARMSTRONG FOREST | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 128430 | U S GYPSUM | Kent County, MI | Oil Property | Apr 2024 |
| 128431 | U S LIME | Johnson County, TX | Oil & Gas Property | Jan 2025 |
| 128432 | U S M 00 | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 128433 | U S P & F | Tuscaloosa County, AL | Gas Property | Dec 2024 |
| 128434 | U S SMELTING FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2015 |
| 128435 | U S STEEL | Greene County, PA | Gas Property | Dec 2024 |
| 128436 | U S STEEL | Mingo County, WV | Gas Property | Dec 2021 |
| 128437 | U S STEEL CORPORATION | Jefferson County, AL | Gas Property | Feb 2025 |
| 128438 | U T ISERINGHAUSEN | St. Landry Parish, LA | Oil & Gas Property | Mar 2024 |
| 128439 | U-49 5 | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 128440 | U-TEX | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 128441 | U-TEX | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 128442 | U-TEX | Crane County, TX | Oil & Gas Property | Feb 2024 |
| 128443 | U. F. GAS MIN TR. 1 6 | Wayne County, WV | Gas Property | Dec 2021 |
| 128444 | U. L. JONES 28-7 #1 | Conecuh County, AL | Oil & Gas Property | Feb 2025 |
| 128445 | U. OF C | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 128446 | U. S. GOVER | Gove County, KS | Oil Property | Nov 2024 |
| 128447 | U. S. GOVERNMENT | Morton County, KS | Gas Property | Dec 2024 |
| 128448 | U. S. GOVERNMENT | Trego County, KS | Oil Property | Dec 2024 |
| 128449 | U.C. REGENTS | Yolo County, CA | Gas Property | Dec 1992 |
| 128450 | U.C.B. 0 | Santa Barbara County, CA | Oil & Gas Property | May 1998 |
| 128451 | U.C.L.I | Nueces County, TX | Oil & Gas Property | Jan 2025 |
| 128452 | U.P. UNIT | Los Angeles County, CA | Oil & Gas Property | May 2021 |
| 128453 | U.R.C. 23 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 128454 | U.S ARMY CORP | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 128455 | U.S. 15 | Blaine County, MT | Gas Property | Feb 2025 |
| 128456 | U.S. 19-1 | Chouteau County, MT | Gas Property | Feb 2025 |
| 128457 | U.S. 26-1 | Blaine County, MT | Gas Property | Feb 2025 |
| 128458 | U.S. 27-1 | Blaine County, MT | Gas Property | Feb 2025 |
| 128459 | U.S. 29-1 | Blaine County, MT | Gas Property | Jul 2001 |
| 128460 | U.S. 33 | Chouteau County, MT | Gas Property | Feb 2025 |
| 128461 | U.S. ARMY CORP OF ENG | Wyoming County, WV | Gas Property | Dec 2021 |
| 128462 | U.S. ARMY CORP OF ENG. I. N. BROWN | Braxton County, WV | Oil & Gas Property | Dec 2021 |
| 128463 | U.S. ARMY CORP. OF ENG | Lewis County, WV | Oil & Gas Property | Dec 2015 |
| 128464 | U.S. DEPT. OF INTERIOR | Lewis County, WV | Gas Property | Dec 2021 |
| 128465 | U.S. PIPE & FOUNDRY | Tuscaloosa County, AL | Gas Property | Dec 2024 |
| 128466 | U.S. PIPE & FOUNDRY | Jefferson County, AL | Gas Property | Jan 2009 |
| 128467 | U.S. PIPE & FOUNDRY #1 | Tuscaloosa County, AL | Gas Property | Jan 2017 |
| 128468 | U.S. STEEL | Walker County, AL | Gas Property | Feb 2025 |
| 128469 | U.S. STEEL | Jefferson County, AL | Gas Property | Feb 2025 |
| 128470 | U.S. STEEL | Shelby County, AL | Gas Property | Dec 2000 |
| 128471 | U.S. STEEL | Wyoming County, WV | Gas Property | Oct 2005 |
| 128472 | U.S. STEEL | Mingo County, WV | Gas Property | Dec 2021 |
| 128473 | U.S. STEEL | Fayette County, AL | Oil & Gas Property | Feb 2025 |
| 128474 | U.S. STEEL 3 | Tuscaloosa County, AL | Gas Property | Dec 2024 |
| 128475 | U.S. STEEL MINING CO | McDowell County, WV | Gas Property | Jun 1999 |
| 128476 | U.S. STEEL MINING CO | Wyoming County, WV | Gas Property | Dec 2021 |
| 128477 | U.S.-DIR 1 | Blaine County, MT | Gas Property | Feb 2025 |
| 128478 | U.S.A. 1 | Bryan County, OK | Oil & Gas Property | Jan 2025 |
| 128479 | U.S.A. 1 | Hocking County, OH | Oil & Gas Property | Dec 2024 |
| 128480 | U.S.A. 1 | Kern County, CA | Oil Property | Dec 2024 |
| 128481 | U.S.A. 2 | Kern County, CA | Oil Property | Dec 2024 |
| 128482 | U.S.A. 5 | Kern County, CA | Oil Property | Aug 2011 |
| 128483 | U.S.A. GAS UNIT | Zapata County, TX | Oil & Gas Property | Mar 2024 |
| 128484 | U.S.A. LB | Nacogdoches County, TX | Oil & Gas Property | Jan 2025 |
| 128485 | U.S.A.-GUERRA B GAS UNIT | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 128486 | U.S.A.3 | Franklin County, MS | Oil & Gas Property | Jan 2025 |
| 128487 | U.S.ARMY CORP | Wyoming County, WV | Gas Property | Dec 2021 |
| 128488 | U.S.ARMY CORP OF ENG | Wayne County, WV | Gas Property | Dec 2021 |
| 128489 | U.S.F.S | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 128490 | U.S.FISH&WILDLIFE S | Pleasants County, WV | Oil & Gas Property | Dec 2020 |
| 128491 | U.S.L. 1 | Kern County, CA | Oil Property | Dec 2024 |
| 128492 | U.S.L. 1 | Kern County, CA | Oil Property | Nov 2021 |
| 128493 | U.S.L. 2 | Kern County, CA | Oil Property | Dec 2024 |
| 128494 | U.S.L. 2 | Kern County, CA | Oil Property | Dec 2024 |
| 128495 | U.S.L. 3 | Kern County, CA | Oil Property | Nov 2021 |
| 128496 | U.S.L. 3 | Kern County, CA | Oil Property | Dec 2024 |
| 128497 | U.S.L. 4 | Kern County, CA | Oil Property | Nov 2021 |
| 128498 | U.S.L. 4 | Kern County, CA | Oil Property | Dec 2024 |
| 128499 | U.S.L. 5 | Kern County, CA | Oil Property | Dec 2024 |
| 128500 | U.S.L. 6 | Kern County, CA | Oil Property | Dec 2024 |