{
  "schema_version": 1,
  "source_compilation_context": {
    "ia": {
      "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/ia.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": "19075",
    "label": "Grundy County, Iowa"
  },
  "records": [
    {
      "id": "miningstore-grundy-center-ia",
      "state": "ia",
      "kind": "facility",
      "name": "MiningStore Grundy Center Facility",
      "group": "unknown",
      "status": "Status unclear",
      "raw_status": "",
      "status_field": "",
      "crypto": true,
      "type": "Crypto/HPC (inventory classification)",
      "counties": [
        "Grundy"
      ],
      "city": "Grundy Center",
      "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. MiningStore historical Grundy County launch. 19percentcostreductionand9Mrevenueswith50.37percentmarginsoperatorcase-studyattributionnotindependentutilityauditedcausalstudy. Iowa2023windsharestatewidecontextnotfacilityrenewablepercentage. CaryNorthCarolinafooteriscorporatecontactnotIowafacility. No exactGrundyCenterparcel/streetorcurrentpowerverification. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://miningstore.com/case-study/grundy-county-rural-electric-cooperative/",
          "host": "miningstore.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://miningstore.com/case-study/grundy-rec/",
          "host": "miningstore.com",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Reviewed operator source"
        },
        {
          "url": "https://miningstore.com/miningstore-62-5-mw-bitcoin-mining-in-iowa/",
          "host": "miningstore.com",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Reviewed operator source"
        }
      ],
      "loc": {
        "lat": 42.40187,
        "lng": -92.79144,
        "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": "operator-primary-review-round10-2026-10-14.json",
          "scope": "MiningStore historical Grundy County launch",
          "fields": {
            "operator": "MiningStore",
            "project_region": "Grundy County, Iowa",
            "historical_launch_period": "end2019",
            "operator_reported_mining_facility_power_mw": 7,
            "power_basis": "Bitcoin mining facility power, not explicit critical IT",
            "power_cooperative": "Grundy County Rural Electric Cooperative"
          },
          "notes": [
            "19percentcostreductionand9Mrevenueswith50.37percentmarginsoperatorcase-studyattributionnotindependentutilityauditedcausalstudy. Iowa2023windsharestatewidecontextnotfacilityrenewablepercentage. CaryNorthCarolinafooteriscorporatecontactnotIowafacility. No exactGrundyCenterparcel/streetorcurrentpowerverification.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://miningstore.com/case-study/grundy-county-rural-electric-cooperative/",
              "host": "miningstore.com",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 3 research cohort 36",
          "scope": "The current company case study names Grundy County REC and reports launch of an Iowa mining facility at the end of 2019, with attributed historical cost and community benefit claims. It does not expressly certify current service at the exact inherited Grundy Center component. The wider current numbered Iowa portfolio has no accepted exact township or city crosswalk. Historic operation and company benefit figures are retained as context without adopting a physical opening day, current role, quantities or independently measured outcomes.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "historic_named_cooperative_case_without_current_exact_grundy_center_component_crosswalk",
              "scope": "The current company case study names Grundy County REC and reports launch of an Iowa mining facility at the end of 2019, with attributed historical cost and community benefit claims. It does not expressly certify current service at the exact inherited Grundy Center component. The wider current numbered Iowa portfolio has no accepted exact township or city crosswalk. Historic operation and company benefit figures are retained as context without adopting a physical opening day, current role, quantities or independently measured outcomes."
            }
          },
          "notes": [
            "The current company case study names Grundy County REC and reports launch of an Iowa mining facility at the end of 2019, with attributed historical cost and community benefit claims. It does not expressly certify current service at the exact inherited Grundy Center component. The wider current numbered Iowa portfolio has no accepted exact township or city crosswalk. Historic operation and company benefit figures are retained as context without adopting a physical opening day, current role, quantities or independently measured outcomes.",
            "The review preserves existing identity, roles, locations, jurisdictions, quantities and physical opening fields. Source publication, checked dates and physical milestones remain distinct."
          ],
          "sources": [
            {
              "url": "https://miningstore.com/case-study/grundy-rec/",
              "host": "miningstore.com",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed operator source"
            },
            {
              "url": "https://miningstore.com/miningstore-62-5-mw-bitcoin-mining-in-iowa/",
              "host": "miningstore.com",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed operator source"
            }
          ],
          "checked": "2026-10-23",
          "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": "Grundy Center · Grundy · 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": "19075"
      }
    }
  ],
  "compilation_license": "withheld_pending_owner_decision"
}