https://collection.baltimoreheritage.org/items/browse?tags=Index+Map&sort_field=Dublin+Core%2CCreator&output=atomCreative Commons Attribution 3.0 United States]]>2024-03-28T04:30:28-04:00Omekahttps://collection.baltimoreheritage.org/items/show/46Outline & Index Map of Baltimore and Environs