311.11  Hearing — notice.
  The board of supervisors shall fix a time for hearing on the proposal for the establishment of the secondary road assessment district and on the apportionment of not less than fifty percent of the estimated cost of the proposed improvement, and shall cause the county engineer to publish notice of the hearing. The notice shall state:
  1.  The time and place of hearing,
  2.  The road or roads proposed to be improved,
  3.  The type of surfacing proposed,
  4.  The estimated cost of the proposed improvement,
  5.  A description of the lands lying within said proposed district,
  6.  The ownership of said lands as shown by the transfer books in the auditor’s office,
  7.  A statement of the amount apportioned to each tract or parcel of real estate as shown by the engineer’s report,
  8.  That at said hearing the amount apportioned to any tract or parcel of land may be increased or decreased without further notice,
  9.  That all objections to the establishment of the district, to the apportionment report, or to the proceedings relating to the district or report must be specifically made in writing and filed with the county engineer on or before noon of the day set for the hearing, and
  10.  That a failure to make and file such objections will be deemed a conclusive waiver of all such objections.
[C24, §4707, 4750, 4751; C27, 31, 35, §4750, 4751, 4753-a1; C39, §4750, 4751, 4753.01; C46, §311.7, 311.8, 311.11; C50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, S81, §311.11; 81 Acts, ch 117, §1212]
85 Acts, ch 143, §8