Loose, unconsolidated material shall be stripped for a safe distance, but in no case less than 10 feet, from the top of pit or quarry walls.
Ariz. Admin. Code § R11-1-1309
Loose, unconsolidated material shall be stripped for a safe distance, but in no case less than 10 feet, from the top of pit or quarry walls.
Ariz. Admin. Code § R11-1-1309