Mo. Rev. Stat. § 293.490: Coal miner's lien for wages.

All employees of coal mines have, as security for work performed, a lien upon all property of the person owning, constructing or operating the mine, used in construction or operation, including real estate, building, machinery, and all other personal property, to satisfy in full the amount due for labor performed. The lien shall be enforced and secured upon the same general terms and after the manner of procedure in granting mechanics' liens.