281:This is a map constructed from the geographical descriptions from which work?

280: Golghar, in Patna. From Wikipedia,

After the devastating famine of 1770, which killed nearly 10 million people in regions of Bengal, Bihar and modern day Bangladesh, Warren Hastings, then Governor-General of India, ordered the construction of this beehive shaped structure for the purpose of storing grains for the British Army. It was conceived and built by Captain John Garstin, an engineer with the East India Company, and has a storage capacity of 140000 tons, it construction was completed on 20 July 1786.