With the recent advent of new natural gas plays in the central United States, the need for accurate and timely planning for both gathering and transmission pipelines has grown rapidly. EFS can provide up-to-date linear mapping information at varying resolutions in details from 1 meter to 6 inches. The service is useful both in the planning stages as well as construction and post-construction monitoring of pipeline and other utility corridors. Classification and HCA work (DIMP too).