William Stanley, Charter and Ordinances of the City of Leavenworth Page 76, Image 77 (1859) available at The Making of Modern Law: Primary Sources.

Ordinances of Leavenworth, KS; An Ordinance Relating to Misdemeanors, § 4. For discharging any fire-arms, setting off fire-crackers or squibs, throwing any fire-ball or other combustible substance, or making bonfires within the limits of the city, a fine not less than three, nor more than twenty-five dollars; Provided, that this section shall not apply nor be in force on the first day of January, of the fourth day of July of each year, and provided farther, that this section may be suspended on other days by the mayor; neither shall this section apply to persons authorized to keep a pistol gallery, nor to any gunsmith who may carefully discharge fire-arms in the prosecution of his trade, nor shall it apply to the shooting of dogs running at large in violation of the city ordinances.