A surveyor collects precise measurements to determine property boundaries.  Surveying is the profession of establishing or reestablishing property boundaries, the art and science of determining land features, improvements, and elevations relative to a scale drawing. A Professional Surveyor in the State of Ohio is licensed and registered by the State Board of Engineers and Surveyors. This is the definition the State Board gives: Surveying shall mean any professional service performed for the purpose of determining land areas, the monumenting of property boundaries, the platting and layout of lands and sub-divisions thereof, including the topography, the alignment and the preliminary grades of streets, the preparation of: maps, record plats, field note records and property descriptions representing such surveys.