TY  - GEN
ED  - Government of India
TI  - Account of the operations of the great trigonometrical survey of India (volume xIx).                                                                                                                                                     
PY  - 1910///
KW  - Trigonometrical
KW  - survey
N1  - ভূমি রেকর্ড ও জরিপ অধিদপ্তর সংগ্রহ
ER  -