polk.json

{
    "coverage": {
        "US Census": {
            "geoid": "27119",
            "name": "Polk County",
            "state": "Minnesota"
        },
        "country": "us",
        "state": "mn",
        "county": "Polk"
    },
    "data": "http://gis.co.polk.mn.us/arcgis/rest/services/PolkALL/MapServer/20",
    "protocol": "ESRI",
    "conform": {
        "format": "geojson",
        "number": {
            "function": "regexp",
            "field": "ADDRESS",
            "pattern": "^([0-9]+)"
        },
        "street": {
            "function": "regexp",
            "field": "ADDRESS",
            "pattern": "^(?:[0-9]+ )(.*)",
            "replace": "$1"
        },
        "postcode": "ZIP",
        "city": "CITY"
    }
}