The Texas Survey System
Deep-dive explainers on how the Texas Survey System (TXSS) works: abstracts, blocks, sections, railroad surveys, and Spanish/Mexican leagues across all 254 Texas counties.
Texas Abstracts — The County-Scoped Land ID
How abstract numbers work in the Texas Survey System — what an abstract is, where they came from, how they are numbered, and how they differ from PLSS section references.
Read guideBlocks and Sections — How Texas Railroad Surveys Grid the Land
How the Block & Section convention works in West Texas — railroad land grants from the 1850s–1880s, the major surveys (T&P, H&TC, GC&SF), and how to read and disambiguate Block & Section references.
Read guideHow the Texas Survey System Works
A complete guide to the Texas Survey System (TXSS) — how Texas describes land using Abstract numbers, Block & Section grids, and Survey-name descriptions instead of the federal PLSS, and why.
Read guideThe Texas Survey System
Deep-dive explainers on how the Texas Survey System (TXSS) works: abstracts, blocks, sections, railroad surveys, and Spanish/Mexican leagues across all 254 Texas counties.
Read guideSurveys, Leagues, and Labors — Spanish and Mexican Land Grants in TXSS
How named surveys, Spanish leagues, and Mexican labors describe land in South and Central Texas — the colonial-era grants that predate Texas statehood and still appear in modern legal descriptions.
Read guideTry the Texas converter
Convert any Texas legal description — Abstract, Block & Section, or Survey-name — to GPS coordinates instantly.
Open the Texas Hub