City of Baltimore
Baltimore City Code

§ 18-6. Cobblestones prohibited.

From and after February 24, 1899, no contracts shall be made by the City for paving or repaving any street, avenue, lane, or alley within the limits of said City with what is known as a cobblestone pavement, nor shall any such pavement be permitted to be laid on any street, avenue, lane, or alley within the said City by any individual or corporation.