Maryland Code, Land Use § 8-205

(a)(1) Subject to any requirements of the local jurisdiction that relate to the acquisition of easements, a commission may acquire easements in connection with individual sites or structures, or with sites or structures located in or adjacent to a locally designated historic district.

(2) An easement acquired by a commission may grant to the commission, the residents of the historic district, and the public the right to ensure that any site, structure, or surrounding property on which the easement is applied is protected in perpetuity from changes that would affect the historic, archaeological, or architectural significance of the site, structure, or surrounding property.

(b)(1) A commission may designate the Maryland Historical Trust to analyze and make recommendations on the preservation of sites, structures, or districts of historic, archaeological, architectural, or cultural significance within the area the commission serves.

(2) The recommendations of the Maryland Historical Trust may include: