{
  "contentStorage": "postgres",
  "title": "Black Hawk County · Relations",
  "description": "Black Hawk County is a county in Iowa, United States, with county seat Waterloo.",
  "url": "/en/places/ia-black-hawk-county/relation.html",
  "entity": {
    "id": "place_us_ia_black_hawk_county",
    "type": "place",
    "title": "Black Hawk County",
    "slug": "ia-black-hawk-county",
    "aliases": [
      "布莱克霍克县"
    ],
    "summary": "Black Hawk County is a county in Iowa, United States, with county seat Waterloo.",
    "status": "published",
    "categories": [
      "category-geography"
    ],
    "tags": [],
    "sources": [
      {
        "id": "enwiki",
        "title": "Black Hawk County (Wikipedia)",
        "url": "https://en.wikipedia.org/wiki/Black_Hawk_County"
      },
      {
        "id": "uscb2023",
        "title": "U.S. Census Bureau 2023 FIPS state and county codes",
        "url": "https://www.census.gov/library/reference/code-lists/ansi.html"
      }
    ],
    "createdAt": "2026-10-29T03:05:25+08:00",
    "updatedAt": "2026-10-29T03:05:25+08:00",
    "updatedBy": "user:admin",
    "revision": 3,
    "body": "## Administrative divisions\n\nBlack Hawk County is a county in Iowa, United States; the county seat is Waterloo[^uscb2023].\n\n## Basic facts\n\n- State: [[place_us_ia|Iowa]]\n- County seat: Waterloo[^uscb2023]\n- Division level: county[^uscb2023]\n\n## Parent division\n\nLocated in [[place_us_ia|Iowa]].",
    "url": "/places/ia-black-hawk-county.html",
    "lang": "en",
    "availableLangs": [
      "zh",
      "en"
    ],
    "placeKind": "county",
    "coordinates": {
      "latitude": 42.47,
      "longitude": -92.34
    },
    "adminArea": "United States · Iowa · Black Hawk County"
  },
  "entities": null,
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      "sourceRefs": [
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          "entityId": "place_us_ia_black_hawk_county",
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      ],
      "label": "Located in",
      "targetId": "place_us_ia",
      "targetTitle": "Iowa",
      "targetUrl": "/en/places/iowa.html",
      "incoming": false
    }
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  "mentions": [
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      "fromTitle": "Iowa",
      "fromUrl": "/en/places/iowa.html",
      "fromType": "place"
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  "relationGroups": [
    {
      "type": "same_area",
      "label": "同区域",
      "hubId": "place_us_ia",
      "hubTitle": "Iowa",
      "hubUrl": "/en/places/iowa.html",
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          "fromId": "place_us_ia_cedar_rapids",
          "relationType": "located_in",
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          "sourceRefs": [
            {
              "entityId": "place_us_ia_cedar_rapids",
              "sourceId": "uscb2023"
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          ],
          "label": "Contains places",
          "targetId": "place_us_ia_cedar_rapids",
          "targetTitle": "Cedar Rapids",
          "targetUrl": "/en/places/ia-cedar-rapids.html",
          "incoming": true
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        {
          "id": "relation_us_ia_des_moines_in_us_ia",
          "fromId": "place_us_ia_des_moines",
          "relationType": "located_in",
          "toId": "place_us_ia",
          "sourceRefs": [
            {
              "entityId": "place_us_ia_des_moines",
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          ],
          "label": "Contains places",
          "targetId": "place_us_ia_des_moines",
          "targetTitle": "Des Moines",
          "targetUrl": "/en/places/ia-des-moines.html",
          "incoming": true
        },
        {
          "id": "relation_us_ia_iowa_city_in_us_ia",
          "fromId": "place_us_ia_iowa_city",
          "relationType": "located_in",
          "toId": "place_us_ia",
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              "entityId": "place_us_ia_iowa_city",
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          ],
          "label": "Contains places",
          "targetId": "place_us_ia_iowa_city",
          "targetTitle": "Iowa City",
          "targetUrl": "/en/places/ia-iowa-city.html",
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        },
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          ],
          "label": "Contains places",
          "targetId": "place_us_ia_johnson_county",
          "targetTitle": "Johnson County",
          "targetUrl": "/en/places/ia-johnson-county.html",
          "incoming": true
        },
        {
          "id": "relation_us_ia_linn_county_in_us_ia",
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          "sourceRefs": [
            {
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              "sourceId": "uscb2023"
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          "label": "Contains places",
          "targetId": "place_us_ia_linn_county",
          "targetTitle": "Linn County",
          "targetUrl": "/en/places/ia-linn-county.html",
          "incoming": true
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          "targetId": "place_us_ia_polk_county",
          "targetTitle": "Polk County",
          "targetUrl": "/en/places/ia-polk-county.html",
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          "label": "Contains places",
          "targetId": "place_us_ia_scott_county",
          "targetTitle": "Scott County",
          "targetUrl": "/en/places/ia-scott-county.html",
          "incoming": true
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      "type": "located_in",
      "label": "Located in",
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          "targetUrl": "/en/places/iowa.html",
          "incoming": false
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  "lang": "en",
  "availableLangs": [
    "zh",
    "en"
  ],
  "infoFields": [
    {
      "key": "place_kind",
      "label": "Place kind",
      "value": "County"
    },
    {
      "key": "admin_area",
      "label": "Admin area",
      "value": "United States · Iowa · Black Hawk County"
    },
    {
      "key": "coordinates",
      "label": "Coordinates",
      "value": "42.47000, -92.34000"
    }
  ],
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}