Miss. Code Ann. § 27-35-101: Miss. Code Ann. § 27-35-101

The board of supervisors of any county in this state is hereby authorized in its discretion, to have the cultivatable, uncultivatable, or timbered lands of any owner, or of the entire county or any part thereof, surveyed and the acreage thereof determined and the value of the lands and of any timber, buildings or improvements thereon appraised by a competent person or persons, to be selected by the board of supervisors, the cost thereof to be paid from the general county fund. The board of supervisors of any county is hereby authorized to have the lots and blocks or other tracts in the municipalities of the county surveyed and the area determined, and the valuation thereof and of any buildings, structures, or other improvements thereon, appraised for the purpose of taxation in the same manner and at the same time that lands outside of municipalities are surveyed and appraised. In case a survey and appraisal is ordered, at least thirty (30) days' notice by publication shall be given and competitive bids received for the work. When such survey and appraisal is made, a permanent record thereof shall be made and preserved by the clerk of the board of supervisors, to which the tax assessor of the county shall at all times have access.

The board of supervisors of any county in this state having within its boundaries a municipality with a population in excess of one hundred fifty thousand (150,000) according to the latest federal census, is authorized to secure from such municipality surveys, appraisals and related materials made or caused to be made by it for the valuation for assessment purposes of property located in such municipality, and to pay to such municipality therefor out of the general county fund such sum or sums as may be agreed upon between such board of supervisors and the governing authorities of such municipality, all of which may be done without the necessity of publication of notice for or the reception of bids.