These detailed cartographic resources, specifically created for Frederick, Maryland, provide a visual representation of urban landscapes and building infrastructure at specific points in time. They were originally produced to assist insurance companies in assessing fire risk. The maps illustrate building footprints, construction materials, street widths, locations of water mains, and other factors relevant to potential fire hazards within the city.
Their significance extends beyond insurance assessment; they are invaluable tools for historical research, urban planning, and genealogical studies. They offer insights into the development of Frederick’s built environment, revealing changes in land use, architectural styles, and commercial activities over decades. Researchers use them to understand how the city evolved and adapted to changing economic and social conditions. Genealogists find them useful in locating ancestral homes and businesses.