{
  "schema_version": 1,
  "source_compilation_context": {
    "mt": {
      "attribution": {
        "inventory": {
          "name": "Compute Atlas",
          "creator": "Edward Kubiak",
          "url": "https://www.compute-atlas.com/api",
          "license": "CC BY 4.0",
          "license_url": "https://creativecommons.org/licenses/by/4.0/",
          "snapshot_url": "https://www.compute-atlas.com/api/facilities",
          "retrieved": "2026-10-14",
          "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37",
          "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally."
        },
        "counties": "U.S. Census Bureau county boundaries (public domain)",
        "research": "Field-specific source context. See the linked source and limits on each record."
      },
      "source_data_url": "https://datacentersatlas.com/data/mt.json",
      "updated": "2026-10-24"
    }
  },
  "scope": "Retained county context, which can be broad or unresolved. No parcel or municipal jurisdiction is inferred. Research records retain their sources, dates and location limits. Counts are not a census of operating buildings. Company name links alone do not establish ownership or operation.",
  "collection": {
    "kind": "counties",
    "key": "30003",
    "label": "Big Horn County, Montana"
  },
  "records": [
    {
      "id": "big-horn-data-hub-hardin-mt",
      "state": "mt",
      "kind": "facility",
      "name": "Big Horn Data Hub (Hardin Generating Station)",
      "group": "unknown",
      "status": "Status unclear",
      "raw_status": "",
      "status_field": "",
      "crypto": true,
      "type": "Crypto/HPC (inventory classification)",
      "counties": [
        "Big Horn"
      ],
      "city": "Hardin",
      "address": "",
      "who": "",
      "end_user": "",
      "mw": null,
      "power": "",
      "power_note": "",
      "investment": "",
      "jobs": "",
      "acres": null,
      "utility": "",
      "water": "",
      "incentives": "",
      "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Personally read project-specific public context only; no whole-record certification. Regional, directory, legislative and membership sources do not verify an exact building.. Attachment title alone is insufficient to verify exactsite, operator, land, status, MWorwater. No manual exact-site credit or operating certification. Parent article is a separate public follow-up lead; listedfutureMEICevents are not data center project milestones. No inference from sitecopyright, social links or image label. Later originals and observed outcomes take precedence; future dates have no assumed result. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building. Historical named-site context only; photo date and current operating status unknown.. NorthWestern400MWportfolio offer,750average-MW/year wording andHB424proposed85percentHardinGENERATIONtaxcut are not BigHorncriticalIT or an awarded data-center subsidy. Legislative and ratepayer allegations are not court or tariff findings.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://meic.org/is-northwestern-hoodwinking-customers-as-it-lures-data-centers-into-the-state/big-horn-data-hardin/",
          "host": "meic.org",
          "date": "2025-04-14",
          "published": "2025-04-14",
          "checked": "2026-10-14",
          "date_kind": "publication",
          "label": "Reviewed source"
        },
        {
          "url": "https://meic.org/is-northwestern-hoodwinking-customers-as-it-lures-data-centers-into-the-state/",
          "host": "meic.org",
          "date": "2025-03-30",
          "published": "2025-03-30",
          "checked": "2026-10-14",
          "date_kind": "publication",
          "label": "Reviewed source"
        }
      ],
      "loc": {
        "lat": 45.42331,
        "lng": -107.48945,
        "precision": "county",
        "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel."
      },
      "reviewed_evidence": [
        {
          "overlay": "regional-development-review-round34-2026-10-14.json",
          "scope": "Personally read project-specific public context only; no whole-record certification. Regional, directory, legislative and membership sources do not verify an exact building.",
          "fields": {},
          "notes": [
            "Attachment title alone is insufficient to verify exactsite, operator, land, status, MWorwater. No manual exact-site credit or operating certification. Parent article is a separate public follow-up lead; listedfutureMEICevents are not data center project milestones. No inference from sitecopyright, social links or image label.",
            "Later originals and observed outcomes take precedence; future dates have no assumed result.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://meic.org/is-northwestern-hoodwinking-customers-as-it-lures-data-centers-into-the-state/big-horn-data-hardin/",
              "host": "meic.org",
              "date": "2025-04-14",
              "published": "2025-04-14",
              "checked": "2026-10-14",
              "date_kind": "publication",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "regional-development-review-round34-2026-10-14.json",
          "scope": "Historical named-site context only; photo date and current operating status unknown.",
          "fields": {
            "historical_caption_context": "MEIC parent article dated March30,2025 describes Big Horn Data Hub as crypto mining relying on adjacent Hardin coal generation",
            "independently_verified_current_operating_status": null
          },
          "notes": [
            "NorthWestern400MWportfolio offer,750average-MW/year wording andHB424proposed85percentHardinGENERATIONtaxcut are not BigHorncriticalIT or an awarded data-center subsidy. Legislative and ratepayer allegations are not court or tariff findings.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://meic.org/is-northwestern-hoodwinking-customers-as-it-lures-data-centers-into-the-state/",
              "host": "meic.org",
              "date": "2025-03-30",
              "published": "2025-03-30",
              "checked": "2026-10-14",
              "date_kind": "publication",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        }
      ],
      "manual_source_reviewed": true,
      "whole_record_certified": false,
      "field_evidence_present": true,
      "inventory_label_retained": true,
      "precision_label": "Exact site not published; shown at county level",
      "summary": "Hardin · Big Horn · Source context reviewed",
      "location_display": {
        "policy": "reviewed-map-references-2026-10-23",
        "decision": "withheld_unreviewed_point",
        "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.",
        "county_display": "30003"
      }
    }
  ],
  "compilation_license": "withheld_pending_owner_decision"
}