To increase your knowledge of the field, prepare a short essay describing GPS use and function when real time layout is used in earth moving construction activities. Specifically, examine site development or highway construction when GPS is used during earth moving activities. Discuss the benefits of automatic positioning of heavy equipment such as scrapers, graders, or excavators as it is used to move earth to reach final line and grade. In addition, describe the responsibility of the construction surveyor on an earth moving operation when GPS machine guidance is being used on site during site development or highway construction.