Explanation

The USPLS system divides public lands into predictable grids of squares and rectangles using established survey lines (Baselines and Meridians). this by stating: "The USPLS system divides public lands owned by the federal government into squares and rectangles so the land can be more easily distributed to private citizens. Surveyors set up Baselines running east-west and Meridians running north-south and then measured grids from those starting lines. "