বাংলাদেশ জরিপ অধিদপ্তর মেনু নির্বাচন করুন The Indian survey experienced an infinite scientific effects. It was answerable for one of the very first correct measurements of a bit of the arc of longitude, and for measurements in the geodesic anomaly. It named and mapped Mount Everest and another Himalayan https://jonathanx864scl2.creacionblog.com/profile