11. Within the Royal National Park, field surveys have revealed many hundreds of Aboriginal rock shelters. 12. An archaeological field survey in 2002 revealed the existence of Roman settlements in the area. 13. In 2010, the henge and surrounding area were investigated through aerial, geophysical, and field survey . 14. Field survey notes help identify changes in topography and aid in the location of archaeological sites.15. If further dialogue goes smoothly, the unprecedented field survey could begin in January, the reports said. 16. Whilst at Liverpool he took part in field surveys of the rocks in the Peruvian Andes. 17. In January 1860, he was officially put in charge of the Port Royal-Savannah River field survey . 18. The field surveys were conducted under a joint agreement between the USCGS and the Insular Government. 19. Westgard's 1911 cross-country field survey via automobile ultimately led to what would become the Lincoln Highway. 20. Posted to South County Armagh, 4 Field Survey Troop was given the task of performing surveillance duties.
