000 00287pam a2200109a 44500
082 _a526.88
_bG798M V.3
100 _a
245 1 _aMANUAL OF MAP READING AIR PHOTO READING AND FIELD SKETCHING
260 _a
_bHer Majesty'S Stationery Office
_c1957
964 _gCIRC
997 _a34814 C
999 _c412826
_d412826