Job Description:

• 1) Traces boundary lines of land plots on aerial photographs to determine acreage, using planimeter: Centers tracer point of planimeter arm on plot to be measured and places pivot arm at right angle to tracer point.

• 2) Moves tracer point to starting point on photograph according to shape of area to be measured and traces boundary until point of beginning is reached.

• 3) Records figures shown on dial and measuring wheels of planimeter at beginning and ending of tracing and subtracts figures from each other to determine acreage.