Continue with Recommended Cookies. Because the rectangular or government survey system was instituted when the United States was a new country, it was used to describe most of the land west of the original 13 colonies, so most of you are likely to see some questions about this system. Correction lines occur at every fourth township line or every 24 miles north and south of the baseline. The states that use the rectangular survey system are:Washington, Oregon, California, Nevada, Idaho, Utah, Arizona, Montana, Wyoming, Colorado, New Mexico, North Dakota, South Dakota, Kansas, Oklahoma, Minnesota, Iowa, Missouri, Arkansas, Louisiana, Wisconsin, Illinois, Michigan, Indiana, Ohio, Alabama, and Florida. There are 37 principal meridians in the national survey, which are referred to when. As we mentioned earlier, two primary survey methods are used in the United States, the Metes and Bounds System, and the Rectangular Survey System. These range lines form ranges. Section 16 is located directly in the center of the section and historically was always designated as the school section. This process continues, creating a smaller and smaller grid that can be used to identify the specific location of any property. flashcard sets. Range lines run north and south between the principal meridians and are spaced out every six miles. Moreover, the astronomical observations will then determine the areas latitude and longitude. Since townships are six miles north to south and six miles east to west, each township is 36 square miles. The legal description of the property's location usually begins with the state and the principal meridian number followed by the township information. Whether it's to pass that big test, qualify for that big promotion or even master that cooking technique; people who rely on dummies, rely on it to learn the critical skills and relevant information necessary for success. In other words, after section number 6, it drops down to 7 on the next tier then goes left to right to number 12. Range lines are equally located six miles apart, and the columns of land they create are known as ranges. You may even see a question or two about the numbering system used for sections. Discover what the Rectangular Survey System is, where it is usually used, and its main purpose. The following is a list of helpful terms:\r\n