Except with written consent of the city engineer, approved by the mayor and council, no person shall:
Sec. 11-4(1). Blast rock or stone with powder, dynamite, nitroglycerine or any other explosive substance or compound within the city;
Sec. 11-4(2). Carry on the business of blasting rock or stone with powder, dynamite, nitroglycerine or any other explosive substance or compound, or any business to which such blasting is an incident, within one (1) mile of the corporate limits of the city.
(1953 Code, ch. 18, § 3)