1. The chief engineer appointed by the board of supervisors of any mine drainage district, as provided in section 242.220, shall make a survey of the lands, both surface and underground, within the district, and of all mineralized lands adjacent thereto that may or will be benefitted by such system of drainage, and report thereon in writing to the board of supervisors, with maps and profiles of such survey, showing the shafts, drifts, drill holes, underground excavations and underground watercourses, with plans for draining, dewatering and reclaiming such lands for mining purposes, together with designs and plans for the construction of a custom concentrating plant or plants and all necessary facilities in connection therewith, including also an estimate of the amount of ores and minerals available for mining from such lands upon completion and execution of such plans. Such report, or any modification thereof approved by the chief engineer shall be adopted by the board of supervisors as the plan for reclamation as provided in section 242.230.

2. On the filing and adoption of the plan for reclamation, the board of supervisors shall, by resolution, provide for the levy and collection of the taxes and charges hereinbefore and hereinafter provided for, including provisions for the increase thereof as provided for in section 242.740, and shall give notice thereof by causing such resolution to be published once a week for two consecutive weeks in some newspaper published in each county in which the said district or any part thereof may be located.

3. Any owner of land within the district or adjacent thereto that may or will be benefitted by such plan for reclamation may, within ten days following the last day of publication of said notice, file with the secretary of the board of supervisors, exceptions to such tax levies or charges.

4. Thereupon the board of supervisors shall, within five days after the filing of such exceptions, hear and determine the same, and in case any such landowner is not satisfied with the determination of such exceptions by such board, he may file his exceptions in the form of a petition in the circuit court by which the district was organized, and such court shall hear and determine the same as provided in section 242.280.

5. The chief engineer shall keep a complete record of the drainage of said district and the lands affected thereby and of the operation of such concentrating plant or plants, and shall file a written report thereon from time to time as may be requested by the board of supervisors, but at least once each year.