1980. Harvard Map Collection, Harvard Library and Cambridge (Mass.). Community Development Department. This layer is a georeferenced raster image of the historic paper map entitled: Active recreation facilities, Cambridge Community Development Depart...
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1989. Geological Survey (U.S.). This layer is a digital raster graphic of the 30 x 60 Minute USGS topographic map of the Albany, New York quadrangle, 1989, covering also portions ...
1996. Harvard Map Collection, Harvard Library and Metropolitan Area Planning Council (Boston, Mass.). This layer is a georeferenced raster image of the historic paper map entitled: MAPC regional bicycle and pedestrian plan : bicycle facilities map (...
2008. Cambridge (Mass.). Community Development Dept. and Cambridge (Mass.). Geographic Information Systems. This line layer indicates streets within the City of Cambridge that have pavement markings or construction features that facilitate bicycle use. It...
2008. Cambridge (Mass.). Community Development Dept. and Cambridge (Mass.). Geographic Information Systems. This point layer indicates the locations of bike racks installed on public property in the City of Cambridge.
2014. Cambridge (Mass.). Geographic Information Systems. This line layer indicates streets within the City of Cambridge that have pavement markings or construction features that facilitate bicycle use. It...
2010. Cambridge (Mass.). Geographic Information Systems. This layer contains line features representing billboards in Cambridge, Massachusetts, 2010.
1898. Harvard Map Collection, Harvard College Library. This layer is a digital raster graphic (DRG) of the historic 15-minute USGS topographic map of the Boston, Massachusetts quadrangle. The survey dat...
1852. Harvard Map Collection, Harvard College Library, Perkins, Charles., Chesbrough, Ellis Sylvester, 1813-1886., and Boston (Mass.). Cochituate Water Board. This layer is a georeferenced raster image of the historic paper map entitled: Map of the Boston water works, prepared under the direction of the C...
1776. Harvard Map Collection, Harvard College Library and Hamilton, Archibald, d. 1792. This layer is a georeferenced raster image of the historic paper map entitled: An accurate map of the country round Boston in New England. It was o...