{
    "icon": "maki-dam",
    "geometry": [
        "point",
        "vertex",
        "line",
        "area"
    ],
    "fields": [
        "name",
        "operator",
        "gnis/feature_id-US",
        "height",
        "material"
    ],
    "moreFields": [
        "seamark/type"
    ],
    "tags": {
        "waterway": "dam"
    },
    "name": "Dam"
}