TY  - BOOK
AU  - Great Britain Ministry of Defence
TI  - Manual of map reading, air photo reading and field sketching
U1  - 623.71 GRE 
PY  - 1956///.
CY  - London : 
PB  - HMSO, 
KW  - Military engineering - Manuals
KW  - Military geography - Manuals
N1  - Pt. 1. Map reading 1955 - Pt. 2. Air photo reading - Pt. 3. Field sketching 1957
ER  -