Ohio Administrative Code
Title 4733 - State Board of Registration for Professional Engineers and Surveyors
Chapter 4733-37 - Standards for Boundary Surveys
Section 4733-37-02 - Research and investigation

(A) The surveyor shall consult deeds and other documents, including those for adjacent parcels, in order to assemble the best possible set of written evidence of every corner and line of the property being surveyed.

(B) After all necessary written documents have been analyzed, the survey shall be based on a field investigation of the property. The surveyor shall make a thorough search for physical monuments, and analyze evidence of monumentation and occupation. In addition, the surveyor shall, when necessary, confer with the owner(s) of the adjoining property and the owner(s) of the property being surveyed.