# Oklahoma Section Township Range Map: Find Your Legal Description > Free section, township and range map. Draw your section, see the neighbouring sections and aliquot acreage, then measure the real surveyed acreage from BLM data, because a great many sections are not 640 acres. Source: https://www.berlinroyalties.com/section-township-range-map/ Publisher: Berlin Royalties, a veteran-owned oil and gas mineral and royalty buyer in Tulsa, Oklahoma, buying for its own account since 2014. Call or text 918-984-1645. License: free to quote and cite with attribution to Berlin Royalties and a link to the source URL. Free Tool ยท No Email Required ## Oklahoma section, township and range. Enter a legal description and see the section drawn: where it sits in its township, which sections touch it, what the aliquot parts are worth in acres, and how to read the description on your deed. Nothing to sign up for. ### Your legal description Oklahoma townships are numbered north of the base line and east or west of the Indian Meridian. A description like **Sec 14-11N-14W** means Section 14, Township 11 North, Range 14 West. Section (1 to 36) Township NorthSouth Range WestEast Aliquot part (optional) All of the section (640 acres) N/2 (320) S/2 (320) E/2 (320) W/2 (320) NE/4 (160) NW/4 (160) SE/4 (160) SW/4 (160) NE/4 NE/4 (40) NW/4 NE/4 (40) SW/4 NE/4 (40) SE/4 NE/4 (40) NE/4 NW/4 (40) NW/4 NW/4 (40) SW/4 NW/4 (40) SE/4 NW/4 (40) NE/4 SW/4 (40) NW/4 SW/4 (40) SW/4 SW/4 (40) SE/4 SW/4 (40) NE/4 SE/4 (40) NW/4 SE/4 (40) SW/4 SE/4 (40) SE/4 SE/4 (40) Enter a section, township and range to draw it. ## The township, with your section highlighted Sections are numbered boustrophedonically: starting at the northeast corner with Section 1, running west to 6, dropping a row and running back east, and so on to Section 36 in the southeast corner. That zigzag is why Section 7 sits directly below Section 6. ## Inside your section A section is nominally one square mile, 640 acres. Quarters are 160 acres, quarter-quarters are 40. Your selected aliquot part is shaded. ## What touches you ## Is your section really 640 acres? The grid above is the idealised one, and every section in it is a perfect square mile. Real sections are not. Curvature of the earth, closing corners, resurveys and plain nineteenth century measurement error all get absorbed somewhere, and the result is that a great many sections are meaningfully larger or smaller than 640 acres. If you are working out net mineral acres from a fraction, that difference is your money. This looks your section up in the Bureau of Land Management's national survey data and measures the actual surveyed polygon. ### Look up the real acreage State Principal meridian Township NorthSouth Range WestEast Section (1 to 36) Measure this section Pick a state and enter a township, range and section. Source: the BLM National Public Land Survey System, queried live. Acreage is measured from the published survey polygon, so it reflects the survey of record rather than a boundary opinion. Coverage is good but not perfect, and a township that has never been surveyed on the ground, which is common in Alaska, will not return a result. This is a reference tool, not a substitute for a title opinion or a licensed survey. ## How to read a legal description Almost every mineral deed, lease and division order in Oklahoma, Kansas, New Mexico and most western states describes land using the **Public Land Survey System**. Once you can read it, your paperwork stops being mysterious. Read a description **from the smallest piece to the largest**, right to left. In **SW/4 NE/4 of Section 14, Township 11 North, Range 14 West**: - **Range 14 West** puts you fourteen six-mile columns west of the Indian Meridian, which runs north to south through central Oklahoma. - **Township 11 North** puts you eleven six-mile rows north of the base line, which runs east to west across the state. - Those two together identify one **township**: six miles by six miles, thirty-six sections. - **Section 14** identifies one square mile inside it, 640 acres. - **NE/4** takes the northeast quarter of that section, 160 acres. - **SW/4** of that quarter takes its southwest corner, 40 acres. So the description above is a forty acre tract. If you own an undivided one eighth of the minerals under it, you have five net mineral acres. Our [calculators](https://www.berlinroyalties.com/mineral-rights-calculator/) will do that arithmetic and the royalty decimal that follows from it. ## Things that trip people up **Sections are not always exactly 640 acres.** The survey had to reconcile a square grid with a curved earth and with errors made in the 1870s. Correction lines absorb the difference, so sections along the north and west edges of a township are frequently short or long. A "lot" number in your description usually means an irregular piece created by that reconciliation, or by a river. **Township and range are not addresses.** Two tracts can share a section number and be a hundred miles apart. Always carry the township, the range, and the direction of each. **Oklahoma has two meridians.** Most of the state is surveyed from the Indian Meridian. The panhandle uses the Cimarron Meridian. If a description does not say, the county tells you which. **Your deed may describe more than you own.** A legal description says which dirt. Your fractional interest says how much of the minerals under it are yours, and those are separate numbers. This is the single most common confusion we see. ### Send us the description and we will tell you what you own. Give us a legal description, or just a county and a family name, and we will pull the chain of title and tell you what is actually yours, what is producing on it, and what it is worth. Free, no obligation, and useful whether or not you ever sell anything. [Get a Free Valuation](https://www.berlinroyalties.com/free-valuation/) [Ask a Landman](https://www.berlinroyalties.com/ask-a-landman/) ## Related - [All thirteen mineral calculators](https://www.berlinroyalties.com/mineral-rights-calculator/), including net mineral acres and royalty decimal - [Free well and production records](https://www.berlinroyalties.com/well-records/) for twenty states, searchable by legal description - [The mineral glossary](https://www.berlinroyalties.com/glossary/) - [Forced pooling in Oklahoma](https://www.berlinroyalties.com/forced-pooling-oklahoma/), which works on spacing units built from these sections - [Oklahoma mineral rights](https://www.berlinroyalties.com/oklahoma/) and [every county we have written up](https://www.berlinroyalties.com/counties/) This tool draws the standard PLSS grid and computes aliquot acreage. It is a reading aid, not a survey, and it does not account for correction lines, government lots, irregular sections, or river boundaries, all of which are common. For anything that turns on exact acreage, use the recorded plat and a licensed surveyor.