Maryland State Government--employment, Parks, Program Open Space Severna Park, MD 21146 Phone : (410) 260-8403 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Office Of Human Resources--natural Resources Department Of, Program Open Space Severna Park, MD 21146 Phone : (410) 260-8403 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Maryland State Of--natural Resources Department Of, Program Open Space Severna Park, MD 21146 Phone : (410) 260-8403 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools