20 pages matching visible in this book
Results 1-3 of 20
What people are saying - Write a review
We haven't found any reviews in the usual places.
How Sites Show
Flying and the Archaeologist
9 other sections not shown
aerial exploration aeroplane Agache air photographs aircraft ancient fields appear archaeological features archaeological sites archaeologists banks black-and-white boundaries Britain Bronze Age camera camps caused causewayed enclosure cereals colour control points crop marks cursus damp marks dark detail discoveries early earthworks England example excavation exposure film flying forts Grassington gravel ground height important Iron Age land large areas large number lens light light-toned limestone lines lynchets methods modern monuments mounds negative marks Neolithic North Yorkshire Nottinghamshire O.G.S. Crawford oblique photographs ovate overlapping vertical Oxfordshire photographs taken pilot ploughing Poidebard positive crop marks positive marks probably reconnaissance recorded rectilinear region remains ring ditches Roman Romano-British round barrows round house Royal Air Force ruins scale seen settlement shadows shapes shown by crop similar soil and crop soil marks square barrows strip surface survey traces usually valley vertical photographs visible walls Wessex