The Code: Containing All the Statutes of the State of Iowa 76-77 (1873)

Sec. 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 gun-powder or other combustibles, and to provide or license magazines for the same; to prevent and punish fast or immoderate riding or driving of horses through the streets; to regulate 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.