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Historical Markers, Cambridge, Massachusetts, 2014

Point
Harvard University
Public content

2014. Cambridge (Mass.). Geographic Information Systems. This point layer contains locations of six types of historical markers throughout Cambridge, including blue oval historic markers, African American...

National Register of Historic Places, Cambridge, Massachusetts, 2014

Polygon
Harvard University
Public content

2014. Cambridge (Mass.). Geographic Information Systems. This polygon layer contains buildings, sites, structures, objects, and districts that have been placed on the National Register of Historic Places ...

Historic County Boundaries and Total Population, United States, 1830

Polygon
Harvard University
Public content

1830. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...

Historic County Boundaries and Total Population, United States, 1830

Polygon
Harvard University
Public content

1830. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...

Historic County Boundaries and Total Population, United States, 1830

Polygon
Harvard University
Public content

1830. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...

Historic County Boundaries and Total Population, United States, 1830

Polygon
Harvard University
Public content

1830. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...

Historic County Boundaries and Total Population, United States, 1900

Polygon
Harvard University
Public content

1900. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...

Historic County Boundaries and Total Population, United States, 1900

Polygon
Harvard University
Public content

1900. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...

Historic County Boundaries and Total Population, United States, 1900

Polygon
Harvard University
Public content

1900. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...

Historic County Boundaries and Total Population, United States, 1900

Polygon
Harvard University
Public content

1900. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...