     '<a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, ' +
                    'Imagery Â© <a href="http://mapbox.com">Mapbox</a>',
                    id: 'examples.map-20v6611k'
                    }).addTo(map);
        var layer;
        
        // if dealing with topojson use the omnivore plugin for leaflet from mapbox
        if(geo_data.type == "Topology") {
            layer = omnivore.topojson.parse(geo_data);
            layer.setStyle(L.mapbox.simplestyle.style);
        