Horizontal profile of the barrack block at Upnor Castle at 16.05m above sea level (first-floor level) showing northings and eastings
- Date:
- May 1989
- Location:
- Upnor Castle, Barracks, Frindsbury Extra, Upper Upnor, Medway
- Reference:
- MP/UPC0120
- Type:
- Photogrammetric Survey