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Preservation Organizations:
Advisory Council on Historic Preservation
Archeological Society of Maryland
Harford Land Trust
Maryland Association of Historic District Commissions
Maryland Historical Trust (Maryland State Historic Preservation Office)
Maryland’s Roadside Historical Markers (MHT/MDOT SHA)
National Park Service Historic Preservation Main Page
National Park Service Preservation Methods and Assistance
National Trust for Historic Preservation
Preservation Maryland
Research:
Aberdeen Historical Museum
Harford County Public Library
The Historical Society of Harford County
Maryland Center for History and Culture
Maryland State Archives
Maryland State Department of Assessments and Taxation (SDAT)
Maryland State Land Records (MDLandRec)
Historic Preservation Contractor Directories:
Note: These directories are maintained by private organizations, not the Harford County Government. Listings in these directories are not endorsed by Harford County and are included on this website for informational purposes only.
Preservation Maryland - PreserveList
Maryland Association of Historic District Commissions Contractor Directory