Said assessment book shall be made out by the assessors of their respective counties in the levee district, and a fair copy thereof shall be returned to the president of the board of directors of the levee district in which the assessments have been made, at the same time assessors are required, under the general revenue laws of the state, to make out and return to the county commission a copy of the assessor’s book for state and county taxes, and shall file the original assessment book in the office of the clerk of the county commission of the county in which the assessment is made. Upon the filing of the copy or copies of the assessment book, as required by this section, the board of directors shall call a meeting of the landowners of said levee district at some place convenient to some part of said work or contemplated work, and shall give at least thirty days’ notice of the time and place of said meeting and the purpose thereof, by advertisement in some newspaper published in the county composing the levee district, and when lying in two or more counties, then in some newspaper published in each of said counties. At such meeting the board of directors shall submit the reports, specifications, surveys, maps, profiles and estimates made by the engineers, together with the assessments, as returned by the county assessors, to said meeting for action, and requiring the owners of said lands and the holders of any lien thereon to show cause at said meeting why said lands should not be assessed with their proportional part of said work.