Added a TopoJSON version of the seattle_blkgrpce10 shapefile for use with Leaflet.
Added a TopoJSON version of the seattle_blkgrpce10 shapefile for use with Leaflet.

opentechinstitute/piecewise,opentechinstitute/piecewise,critzo/piecewise,critzo/piecewise,opentechinstitute/piecewise,critzo/piecewise,opentechinstitute/piecewise,critzo/piecewise