TY  - GEN
AU  - DAS, BHARGAB MOHAN
AU  - SAIKIA, MIMI DAS
TI  - SURVEYING
U1  - 631.7 SAI/SU 
CY  - NEW DELHI, PHI LEARNING
KW  - CHAIN SURVEYING
KW  - COMPASS
KW  - LEVELLING
KW  - MEASUREMENTS
ER  -