Colour copy of an annotated copy of the 1862 Ordnance Survey labelled plan survey of Upnor Castle, showing the war department cottages and the new shell magazine
- Date:
- 8 Jun 1864
- Location:
- Upnor Castle, Frindsbury Extra, Upper Upnor, Medway
- Reference:
- MP/UPC0015
- Type:
- Measured Survey