Certified Floodplain Manager (CFM) Practice Exam

The Public Land Survey System (PLSS) is not found mostly west of the Mississippi River. It was used primarily in the Midwest and Western states. The Geographic Coordinate System (GCS) is a global coordinate system, not specific to one region. The Survey System (STR) is a method used to divide land into smaller, more manageable units and is not specific to the western region. Therefore, the most correct answer is D, the Public Land Survey System.