TY  - BOOK
ED  - Trignometrical Survey of India.
TI  - Tables of heights in Sind, the Punjab, N.W. Provinces, and Central India, determined by the Great Trignometrical Survey of India, trignometrically and by spirit levelling operations, to May 1862
U1  - 526.90216 21st ed.
PY  - 1863///
CY  - Calcutta
PB  - Public Works Department Press
KW  - Spherical trignometry-Punjab and Sind
KW  - Survey-Punjab and Sind
ER  -