Md. Code Ann., Nat. Res. § 5-210

The Secretary, upon request, shall assist other State units, counties, towns, corporations, and individuals in preparing plans for park, recreation and natural area acquisition and development, acquisition of multiple use areas including protection of watersheds, management, and replacement of trees, woodlots, and timber tracts under an agreement that a party obtaining the assistance, pay at least the field expenses of the men employed in preparing the plans.