TY - BOOK ED - War Office TI - Manual of map reading, air photo reading and field sketching. Part 1 - Map reading. 1955. Part 2 - Air photo reading. 1958. Part 3 - Field sketching. 1957 PY - 1955///-1958 PB - HMSO N2 - Manual of map reading, photo reading and field sketching, 1929, in Reserve; Shelf 183 ER -