- Stonehenge: http://dl.dropbox.com/u/11088638/Stonehenge.zip (40mb)
- Bolton Abbey: http://dl.dropbox.com/u/11088638/Bolton%20Abbey.zip (420mb)
Llobera, M. 1996. Exploring the topography of mind: GIS, social space and archaeology. Antiquity 70, 612-22.
Llobera, M. 2001. Building past landscape perception with GIS: understanding topographic prominence. Journal of Archaeological Science 28, 1005-14.
Ogburn, D.E. 2006. Assessing the level of visibility of cultural objects in past landscapes. Journal of Archaeological Science 33, 405-13.
and for lidar:
Kincey, M. and Challis, K. 2010. Monitoring fragile upland landscapes: The application of airborne lidar Journal for Nature Conservation, Volume 18, Issue 2, Pages 126-134