This is a Free 2 Day Seminar held at the Lindy C. Boggs International Conference Center in New Orleans, Louisiana on June 20-21st. The seminar will provide professional Land Surveyors the requisite training to properly use an RTN system such as GULFNet to provide current correct elevations. Speakers will include Mr. David Zilkoski, retired Director of the National Geodetic Survey, as well as other experts in the field.