{
  "retrievedAt": "2026-10-11",
  "climate": {
    "publisher": "Environment and Climate Change Canada",
    "period": "1991–2020",
    "count": 9,
    "sourceExtractSha256": "2af9e62523f8c56cfb81eb71b53a12fe485eb7a340216c8c8a1b56bf65dcfe91",
    "terms": "https://www.canada.ca/en/transparency/terms.html",
    "method": "Extract published numeric facts. Missing or annotated cells stay null; no inferred replacement. 30-year composite values, not current weather or national averages."
  },
  "waters": [
    {
      "file": "rivers.json",
      "count": 84,
      "inputSha256": "c020fc2553727d8517e7405f45a94b662debbae9b9740aac5a969532dcf47639",
      "sha256": "d53cbf632b25711d7333b1ff05494948dead4c7fee43f2126bd9da073dbfb28b",
      "source": "https://raw.githubusercontent.com/nvkelso/natural-earth-vector/v5.1.2/geojson/ne_50m_rivers_lake_centerlines.geojson",
      "license": "Public domain",
      "method": "Natural Earth source vertices remain unchanged for all rivers except St. Lawrence, whose original 7-vertex upstream reach is retained in the source archive and whose display uses the unchanged official CGNDB geographical-feature footprint. Cross-border waters retained; no river-flow or basin-area calculation.",
      "replacementSources": [
        {
          "id": "nrcan-cgndb-st-lawrence",
          "publisher": "Natural Resources Canada / Geographical Names Board of Canada",
          "title": "CGNDB St. Lawrence River official geographical feature",
          "catalogueUrl": "https://geonames.nrcan.gc.ca/search-place-names/unique?id=EFGFK",
          "expandedUrl": "https://geogratis.gc.ca/services/geoname/en/geonames/EFGFK.geojson?expand=feature",
          "termsUrl": "https://www.canada.ca/en/transparency/terms.html",
          "retrievedAt": "2026-10-11",
          "geonameId": "EFGFK",
          "status": "official",
          "sourceRelevance": 5000000,
          "sourceAccuracy": 100,
          "sourceMetadataNote": "Relevance and accuracy are held raw API fields; no cartographic scale or accuracy-unit claim is inferred.",
          "bounds": [
            -76.4696127,
            44.1300071,
            -64.3028586,
            50.3008614
          ],
          "sourceMetadataBounds": [
            -77.1412943,
            44.0872357,
            -64.0730012,
            50.9542312
          ],
          "geometryType": "MultiPolygon",
          "polygonCount": 1,
          "ringCount": 1,
          "vertexCount": 3135,
          "featureSha256": "ee7df12a7dee9d8e7d737aee4b929a065212677e78fc0c6f11153c6ead0dfd95",
          "expandedSha256": "be20c9ef313a4e521c62ad47f0c48ac67c633d60b669a9459ff2b2662626d643",
          "geometrySha256": "292dfbc1ebb2739f1ea99e0cead9fccb99030c591e306607470b35d7a2f7345d",
          "method": "Replace only the St. Lawrence feature with the exact official geographical-feature MultiPolygon. No clipping, simplification, joining, inferred river centerline or invented downstream coordinates. Display the footprint outline; this is not a wetted-area, navigation-channel, bathymetry or flow-quantity dataset. The original metadata bbox is broader than the geometry bounds; both are recorded independently.",
          "originalNaturalEarth": {
            "retainedFile": "data-source/atlas/canada/rivers.geojson",
            "geometryType": "MultiLineString",
            "vertexCount": 7,
            "geometrySha256": "920c2db0b7048662b7e6b546f27d3f4b06dda096884b50f3f748e682c1e419cf"
          },
          "otherRiverCount": 83,
          "otherRiverFeaturesSha256": "f484615fd0a99032dd4e83ff61498625ab86c4562058cb7688458ea1eb0e7d32",
          "displaySha256": "d53cbf632b25711d7333b1ff05494948dead4c7fee43f2126bd9da073dbfb28b",
          "sourceArchive": "data-source/atlas/canada/st-lawrence/provenance.json"
        }
      ]
    },
    {
      "file": "lakes.json",
      "count": 149,
      "inputSha256": "d350b75978b26fe839b797c2c529b2fb8f47fb3983c03f4964e36d5df9378a52",
      "sha256": "47234d580f67f2057329ed95ce755e5bc64d93bddbb2ca9cb44f3be5810bfc9a",
      "source": "https://raw.githubusercontent.com/nvkelso/natural-earth-vector/v5.1.2/geojson/ne_50m_lakes.geojson",
      "license": "Public domain",
      "method": "Keep features having a source vertex in Canada display bounds; coordinates unchanged. Includes cross-border waters; not a national clipping or discharge map."
    }
  ],
  "physiography": {
    "publisher": "Natural Resources Canada",
    "title": "Atlas of Canada 6th Edition: Physiographic Regions",
    "edition": 2009,
    "baseGeologyYear": 1967,
    "source": "https://open.canada.ca/data/en/dataset/dcdd5e21-8893-11e0-8ea0-6cf049291510",
    "download": "https://ftp.geogratis.gc.ca/pub/nrcan_rncan/raster/atlas_6_ed/eng/6422_physiographic_regions.zip",
    "license": "Open Government Licence – Canada",
    "licenseUrl": "https://open.canada.ca/en/open-government-licence-canada",
    "inputSha256": "4fd07bda32f94601b5e35bef1fc3b3586fa7da7726a296bd8e8c815adfbc4dfe",
    "thumbnailSha256": "3c7e3823ba31bdfa169999c1723697b238361cab777548768afdd74625a0ed8f",
    "method": "Official historical map, unchanged layout; JPEG resized for display. Its Lambert projection is not overlaid onto the separate locator map."
  }
}
