Md. Code, Natural Resources § 8–1316

The Secretary may enter into agreements with any respective county affected or its duly designated agency to acquire land or other property to accomplish the purposes of this subtitle. The Secretary may obligate the Department to reimburse the county up to 50% for the cost of the land or other property, plus 50% for the normal cost of acquisition. However, funds have to be appropriated, and sufficiently on hand to meet the Department’s obligation under these agreements.