Additional reconnaissance surveys and estimates may be ordered by the board when it deems the same necessary or advisable. [C31, 35, §4644-c32; C39, § 4644.30; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §309.30 ]
Additional estimates.
Iowa Code § 309.30, under SECONDARY ROADS.
Iowa Code § 309.30