Locate your plot point and mark with a flag or stick. Using an angle gauge, site on live trees (no shrubs) 4 1/2 feet above the ground that are at least 2 inches in diameter. Distance of the tree from the plot center does not matter. Straddle the marked point and rotate the angle 360 degrees. The angle should be kept at a proper distance (25 inches) from the eye when making inventory determinations. As you turn, record each tree that completely fills or more than fills the 10-factor opening of the.