GLO survey abstract · Leon County, Texas
A-513 is a GLO survey abstract in Leon County, Texas - granted to LAMM, J W - ~310 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 | 150 | 46% |
| Memorandum Of Oil & Gas Lease | 51 | 16% |
| Mineral Deed | 39 | 12% |
| Warranty Deed | 37 | 11% |
| Paid Up Oil & Gas Lease | 16 | 5% |
| Royalty Deed | 11 | 3% |
| Easement | 11 | 3% |
| Conveyance | 11 | 3% |
Original grantee
J W Lamm's name on the Leon County index reflects the standard 19th-century Texas pattern: a certificate, headright, bounty, donation, or scrip, located against open land and patented once the GLO accepted the field notes. The GLO patent file remains the controlling root document for any chain of title that runs through J W Lamm.
Oil & gas activity
In the last three years, 51 new oil & gas leases have been filed against A-513, part of a longer chain of 101 all-time.
Source authority
Texas General Land Office (GLO) holds the patent record for every original survey abstract in Texas, including A-513. 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.