The Code: Containing All the Statutes of the State of Iowa, of a General Nature, Passed at the Adjourned Session of the Fourteenth General Assembly Page 76-77, Image 88-89 (1873) available at The Making of Modern Law: Primary Sources.

Cities and Incorporated Towns, Powers, § 456. They shall have power to prevent injury or annoyance from anything dangerous offensive or unhealthy, and to cause any nuisance to be abated; to regulate the transportation and keeping of gunpowder or other combustible, and to provide or license magazines for the same; to prevent and punish fast or immoderate riding through the streets; to regulated the speed of trains and locomotives on railways running over the streets or through the limits of the city or incorporated town by ordinance, and enforce the same by a fine not exceeding one hundred dollars: to establish and regulate markets; to provide for the measuring or weighing of hay, coal, or any other article of sale; to prevent any riots, noise, disturbance, or disorderly assemblages; to suppress and restrain disorderly houses, houses of ill fame, billiard tables, nine or ten pin alleys, or tables and ball alleys, and to authorize the destruction of all instruments or devices used for purposes of gaming, and to protect the property of the corporation and its inhabitants and to preserve peace and order therein.