Color Index map delineating 48 sections of the city of Trenton referenced by number to the corresponding plate within the Plat-Book.There is also a map key that includes building construction materials, building types, transportation systems, ward and city lines.JPEGhttps://doi.org/doi:10.7282/T3X34XDKengFranklin Survey CompanyPublic1930 Real Estate Plat-Book of the City of Trenton and Borough of Princeton, Mercer County, New Jersey (Index Map of Trenton)MapsNew Jersey--Mercer CountyNew Jersey--TrentonNew JerseyRutgers University-New Brunswick