Elevation Surveys near the inlets of Hog and Parramore Islands, VA 1988-1990

Radial optical surveys of island elevation for Hog Island and Parramore Island VA. Survey was made in 1988-1990. formatte.csv  NINLET = North Hog Island. Steel Pipe marker was installed in the middle of the northern part of the island on the highest dune found. Pipe seems to have been removed, so temporary wooden stake left in place. Distances are from that point. Angles are relative to Magnetic North. Elevations are relative to high water line. Same for SINLET = South Hog Island and PARINLET = south Parramore Island except that steel pipe in place. All elevation data for north Cobb Island is MISSING and was not included.