An expert witness provides testimony in a court of law based on their education, training, and experience. The testimony provided can be relied upon as supporting evidence regarding survey law, survey standards & boundary evidence analysis relating to a specific dispute. 

May establish & monument the boundary on the earth showing detailed location of all structures and improvements, or any elements in dispute. it is a very specify document, made to order, depicting all elements in dispute using pictures, record documents and/or any other resource(s) needed to illustrate evidence to a court.