309.21  Supervision of construction and maintenance work.
  All construction and maintenance work shall be performed under the direct and immediate supervision of the county engineer who shall be deemed responsible for the efficient, economical and good-faith performance of said work.
[C31, 35, §4644-c23; C39, §4644.21; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §309.21]
Referred to in §309.67