{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4702876","name":"JF Construction Inc","status":"Intermittent","status_date":"2023-08-29","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WI","county":"Door","nearest_town":"Sister Bay, WI","operator_id":"0191354","operator_name":"J.F. Construction Inc.","controller_id":"0179563","controller_name":"John E.  Fitzgerald","district":"M4","office":"Marquette MI Field Office","employees":1,"latitude":45.194444,"longitude":-87.06},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":31},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"4702876","name":"JF Construction Inc"},"operator":{"type":"operator","id":"0191354","name":"J.F. Construction Inc."},"controller":{"type":"controller","id":"0179563","name":"John E.  Fitzgerald"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L33253","name":"Fitzgerald Construction Company"},"object":{"type":"mine","id":"4702876","name":"JF Construction Inc"},"validFrom":"1988-06-01","validTo":"2023-08-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702876|L33253|1988-06-01|2023-08-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M33253","name":"Fitzgerald John"},"object":{"type":"mine","id":"4702876","name":"JF Construction Inc"},"validFrom":"1988-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702876|M33253|1988-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M33253","name":"Fitzgerald John"},"object":{"type":"operator","id":"L33253","name":"Fitzgerald Construction Company"},"validFrom":"1988-06-01","validTo":"2023-08-28","current":false,"derived":true,"evidenceMineId":"4702876","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702876|L33253|1988-06-01|M33253|1988-06-01|161821"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0191354","name":"J.F. Construction Inc."},"object":{"type":"mine","id":"4702876","name":"JF Construction Inc"},"validFrom":"2023-08-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702876|0191354|2023-08-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0179563","name":"John E.  Fitzgerald"},"object":{"type":"mine","id":"4702876","name":"JF Construction Inc"},"validFrom":"2023-08-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702876|0179563|2023-08-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0179563","name":"John E.  Fitzgerald"},"object":{"type":"operator","id":"0191354","name":"J.F. Construction Inc."},"validFrom":"2023-08-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"4702876","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4702876|0191354|2023-08-29|0179563|2023-08-29|38399"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2023-08-29","lastDate":"2023-08-29","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":3,"firstDate":"2024-08-27","lastDate":"2024-08-27","metrics":{"ss":0,"delinquent":3,"recentRows":3,"paidPenalty":441,"proposedPenalty":441,"currentAssessment":441},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2696127","VIOLATION_NO":"9627918","ISSUE_DT":"08/27/2024","CFR_STANDARD_CD":"56.9301","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-27"},{"SOURCE_ROW_NUMBER":"2696126","VIOLATION_NO":"9627917","ISSUE_DT":"08/27/2024","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-27"},{"SOURCE_ROW_NUMBER":"2696125","VIOLATION_NO":"9627916","ISSUE_DT":"08/27/2024","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-27"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"1988-06-01","lastDate":"2023-08-29","metrics":{"recentRows":1,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":5,"firstDate":"2023-09-20","lastDate":"2026-06-29","metrics":{"inspectors":5,"recentRows":5,"onSiteHours":12,"inspectionHours":28.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1089468","EVENT_NO":"F047198","INSPECTION_BEGIN_DT":"06/29/2026","INSPECTION_END_DT":"06/29/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2026-06-29"},{"SOURCE_ROW_NUMBER":"285205","EVENT_NO":"F0172FA","INSPECTION_BEGIN_DT":"07/23/2025","INSPECTION_END_DT":"07/23/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2025-07-23"},{"SOURCE_ROW_NUMBER":"511079","EVENT_NO":"6904928","INSPECTION_BEGIN_DT":"08/27/2024","INSPECTION_END_DT":"08/27/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.75","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2024-08-27"},{"SOURCE_ROW_NUMBER":"504785","EVENT_NO":"6904912","INSPECTION_BEGIN_DT":"07/08/2024","INSPECTION_END_DT":"07/08/2024","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2024-07-08"},{"SOURCE_ROW_NUMBER":"291753","EVENT_NO":"6909846","INSPECTION_BEGIN_DT":"09/20/2023","INSPECTION_END_DT":"09/20/2023","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2023-09-20"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":12,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":130,"employees":1,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":80,"employees":1,"production":0},"2025-Q3":{"hours":220,"employees":2,"production":0},"2025-Q2":{"hours":32,"employees":1,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":198,"employees":1,"production":0},"2024-Q3":{"hours":240,"employees":1,"production":0},"2024-Q2":{"hours":0,"employees":0,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":175,"employees":2,"production":0},"2023-Q3":{"hours":245,"employees":2,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2023":{"hours":420,"employees":2,"production":0},"2024":{"hours":438,"employees":1,"production":0},"2025":{"hours":332,"employees":1,"production":0},"2026":{"hours":130,"employees":1,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":3,"firstDate":"2024-08-27","lastDate":"2024-08-27","metrics":{"ss":0,"amountDue":441,"contested":0,"amountPaid":441,"recentRows":3,"section104d":0,"unterminated":0,"proposedPenalty":441},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3013978","VIOLATION_NO":"9627918","VIOLATION_ISSUE_DT":"08/27/2024","SIG_SUB":"N","PART_SECTION":"56.9301","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/27/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-08-27"},{"SOURCE_ROW_NUMBER":"3013977","VIOLATION_NO":"9627917","VIOLATION_ISSUE_DT":"08/27/2024","SIG_SUB":"N","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/27/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-08-27"},{"SOURCE_ROW_NUMBER":"3013976","VIOLATION_NO":"9627916","VIOLATION_ISSUE_DT":"08/27/2024","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/27/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-08-27"}]}],"safety":{"href":"/api/v1/mines/4702876/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4702876/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","heading":"Dump site restraints.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301","part":"56","subchapter":"K","subpart":"H","id":"56.9301","citation":"30 CFR 56.9301","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4702876","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}