Iowa Code § 574.1: Nature of miner’s lien.

Every laborer or miner who shall perform labor in opening, developing, or operating any coal mine shall have a lien for the full value of such labor upon all the property of the person, firm, or corporation owning or operating such mine and used in the construction or operation thereof, including real estate and personal property. Such lien shall be secured and enforced in the same manner as a mechanic’s lien.