Top latest Five Property Land Survey Bangladesh Urban news
দিয়ারা আঞ্চলিক সেটেলমেন্ট অফিস, বরিশালDutch mathematician Willebrord Snellius (a.k.a. Snel van Royen) launched the modern systematic usage of triangulation. In 1615 he surveyed the space from Alkmaar to Breda, roughly seventy two miles (116 km). He underestimated this distance by th