{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://itsmissouri.com/data/schema/mo-nps-trails.json",
    "title": "National Historic Trails Through Missouri: one row",
    "description": "Column definitions for National Historic Trails Through Missouri. One row = one line of https://itsmissouri.com/data/downloads/mo-nps-trails.csv or one item of rows in https://itsmissouri.com/data/downloads/mo-nps-trails.json. Dataset page: https://itsmissouri.com/things-to-do/national-park-sites/ . Licence: CC BY 4.0.",
    "type": "object",
    "properties": {
        "trail": {
            "description": "Trail (as printed on the source page; blank means not stated)",
            "type": [
                "string",
                "number",
                "null"
            ]
        },
        "what_it_is": {
            "description": "What it is (as printed on the source page; blank means not stated)",
            "type": [
                "string",
                "number",
                "null"
            ]
        },
        "source_url": {
            "description": "Page the row was read from",
            "type": [
                "string",
                "number",
                "null"
            ]
        },
        "checked": {
            "description": "Date (YYYY-MM-DD) the row was read",
            "type": [
                "string",
                "number",
                "null"
            ]
        }
    }
}