Rule 2477. A permittee of a well shall ensure that warning signs have letters that are not less than 1 ½ inches in height and that are legible under normal conditions at a distance of 25 feet.
Mich. Admin. Code R. 299.2477
Rule 2477. A permittee of a well shall ensure that warning signs have letters that are not less than 1 ½ inches in height and that are legible under normal conditions at a distance of 25 feet.
Mich. Admin. Code R. 299.2477