§ 91.21 BLASTING PERMIT.
   No person shall cause a blast to occur within the municipality without making application in writing beforehand, setting forth the exact nature of the intended operation, and receiving a permit to blast from the Mayor or other proper municipal officer. The Mayor or other proper municipal officer before granting such permit may require the applicant to provide a bond to indemnify the municipality and all other persons against injury or damages which might result from the proposed blasting.