-122.677,45.522]
        },
        "properties": {
          "title" : "FRENCH GULCH",
          "radius" : 10
        }
    }]
};

// load the above GeoJSON into the featureLayer and use pointToLayer
// to pass in the features properties and geometry
L.mapbox.featureLayer(geojson, {
    pointToLayer: function(feature, latlon) {
        // L.circleMarker() draws a circle with fixed radius in pixels.
        // To draw a circle overlay with a radius in meters, use L.circle()
        return L.circleMarker(la