| Alt_Ref_No | 2006.14 |
| Ref No | 578-K/1/6/2/21 |
| Title | Biache and Vitry-en-Artois, France special sheet parts of 51B NW and NE |
| Description | Details and trenches corrected to 4 May 1917 with some contours amended from captured German maps. Overprinted in red. |
| Date | 4 May 1917 |
| Format | Printed document |
| Notes | In three pieces, SW quarter is missing. |
| Edition | 6H |
| Extent | 1 item |
| Access Status | Open |