GLO survey abstract · Leon County, Texas
A-12 is a GLO survey abstract in Leon County, Texas - granted to DE LA CONCEPCION MARQUEZ, M - ~13,550 acres. The polygon below is the real survey boundary. Estimated instruments, leases, wells, and ownership stats are scoped to this abstract; the Foundation workbook stitches every record back to patent.
Activity profile
Aggregated from the Texas clerk-of-records instruments table. Counts are real document counts on this abstract, not estimates.
| Oil & Gas Lease | 1131 | 22% |
| Warranty Deed | 918 | 18% |
| Memorandum Of Oil & Gas Lease | 763 | 15% |
| Deed Of Trust | 668 | 13% |
| Deed | 516 | 10% |
| Paid Up Oil & Gas Lease | 498 | 10% |
| Warranty Deed Vendors Lien | 371 | 7% |
| Mineral Deed | 364 | 7% |
Original grantee
The M De La Concepcion Marquez survey was patented under a corporate or scrip claim, one of the channels Texas used to convert public land into private title outside the headright system. The GLO patent file remains the controlling root document for any chain of title that runs through M De La Concepcion Marquez.
Same grantee, other counties: Robertson County · A-25
Oil & gas activity
In the last three years, 547 new oil & gas leases have been filed against A-12, part of a longer chain of 1,263 all-time. 62 wells sit on the polygon, 43 active or permitted, 8 plugged and abandoned, 11 in other status, operated by ANADARKO PETROLEUM CORPORATION, COMSTOCK OIL & GAS, LLC, AETHON ENERGY OPERATING LLC.
Source authority
Texas General Land Office (GLO) holds the patent record for every original survey abstract in Texas, including A-12. The Leon County clerk's abstract index, every CAD parcel reference, and every lease ever recorded on this tract trace back to the GLO patent.
Search the GLO Land Grant Database → · GLO Map Browser (GIS) →
Surrounding abstracts
Six spatially-nearest GLO abstracts. Useful when you're scoping a contiguous tract or following a chain across survey lines.