TY  - BOOK
AU  - Thillier,H.L
TI  - A manual of Surveying for india detailing the mode of operakons on the revenue surveys in Bengal and the North-Western frovincs: prepared for the use of the sanvey depantment and published by the authorily of the Government of India ; complied by captains R. Smyth and H.L Thillier Bengal Artilery
U1  - 131 
PY  - 1851///
CY  - Calcutta
PB  - W. Thacker
KW  - Topographical surveying
KW  - Surveying
N1  - St Andrews libray and 87 New gate Street London
ER  -