বাংলাদেশ জরিপ অধিদপ্তর মেনু নির্বাচন করুন The Indian survey had an infinite scientific impact. It absolutely was accountable for among the initially correct measurements of a bit of the arc of longitude, and for measurements in the geodesic anomaly. It named and mapped Mount Everest and one other Himalayan https://alanj184qtx6.blogs100.com/profile