GROUND INVESTIGATION WESTCOURT MARSHES, GRAVESEND Location Chalk Geophysical Survey By Geotechnics-Materials Ltd Year of Report 1994 Historic Environment Record True
Northfleet Wharf, Manor Way, Northfleet, Gravesham: Borehole and Trial Pit Logs Location Swanscombe Geophysical Survey By Geotechnics-Materials Ltd Year of Report 2001 Historic Environment Record True
Ground Investigation at Hall Road, Northfleet, Gravesend - Factual and Interpretative Report Location Northfleet Geophysical Survey By Geotechnics-Materials Ltd Year of Report 2007 Historic Environment Record True