A proprietor of lots or grounds within the City, who subdivides or lays them out for sale, shall cause to be made an accurate map or plat of such subdivision, describing with certainty all grounds laid out or granted for streets, alleys, ways, commons, or other public uses. Lots sold or intended for sale shall be numbered by progressive numbers, or described by the squares in which situated, and the precise length and width shall be given of each lot sold or intended for sale. Such map or plat shall be subscribed by the proprietor, or his agent duly authorized in writing, and acknowledged before an officer authorized to take the acknowledgment of deeds, who shall certify the acknowledgment of the instrument.