Nebraska Soil Survey is designed for agronomical teaching and practice. Non-professionals and professionals can check soil type and area of their land that under them. The goal for this project is to provide convinence for nebraska farmers. For the purpose of this map, the soils of Nebraska have been grouped into 80 soil associations. A soil association is a grouping of soil series geographically associated in a characteristic repeating pattern and directly related to topographic areas such as uplands, terraces and bottom lands. They are numbered in the order of their estimated extent within the state; that is, the association with the most acreage is number 1 and that with the least acreage is number 80 (an estimation of the acreages is given after the association name).