polk.json

{
    "coverage": {
        "US Census": {
            "geoid": "19153",
            "name": "Polk County",
            "state": "Iowa"
        },
        "country": "us",
        "state": "ia",
        "county": "Polk"
    },
    "data": "http://gis.polkcountyiowa.gov/arcgis/rest/services/Public/basemap/MapServer/0",
    "type": "ESRI",
    "conform": {
        "type": "geojson",
        "number": [
            "HouseNbr",
            "HouseNbrEx"
        ],
        "street": [
            "DirPre",
            "Name",
            "StreetType",
            "DirSuf"
        ],
        "city": "City",
        "postcode": "Zip"
    }
}