Md. Code, Environment § 15–616

(a) Within 30 days after an operation is abandoned or completed, the operator shall file with the Department a completion report on a form prescribed and furnished by the Secretary.

(b) The operator shall attach to the completion report:

(1) A map of the operation certified by a surveyor or engineer that shows the boundary lines of the tract and the access to the operation from the nearest public highway;

(2) The area of land affected by the deep mining operation; and

(3) Details of the completed reclamation work.