Rock walls mapped from 2002 airphotos and 2014 lidar topography of Anegada, British Virgin Islands
This part of the data release aids in identifying places where land-clearing and wall-building, rather than a sea flood, may account for anomalous boulders and cobbles of Pleistocene limestone on Anegada. The wall shapefile delineates much of a network of walls found mainly on the east half of the island. It can be …