{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"2300208","name":"MO PORTABLE #2","status":"Abandoned","status_date":"2002-07-18","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"MO","county":"Clay","nearest_town":"Clay","operator_id":"L07924","operator_name":"Hunt Midwest Mining Inc","controller_id":"M06300","controller_name":"Hunt Midwest Enterprises","district":"C10","office":"Rolla MO Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":46},"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":"2026-10-17T05:35:58.500035+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":"2300208","name":"MO PORTABLE #2"},"operator":{"type":"operator","id":"L07924","name":"Hunt Midwest Mining Inc"},"controller":{"type":"controller","id":"M06300","name":"Hunt Midwest Enterprises"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00094","name":"Farmers Stone-Trager Quarries Company"},"object":{"type":"mine","id":"2300208","name":"MO PORTABLE #2"},"validFrom":"1950-01-01","validTo":"1994-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|L00094|1950-01-01|1994-04-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00044","name":"Robert  Trager"},"object":{"type":"mine","id":"2300208","name":"MO PORTABLE #2"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|M00044|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00044","name":"Robert  Trager"},"object":{"type":"operator","id":"L00094","name":"Farmers Stone-Trager Quarries Company"},"validFrom":"1950-01-01","validTo":"1994-04-20","current":false,"derived":true,"evidenceMineId":"2300208","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|L00094|1950-01-01|M00044|1950-01-01|102519"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06300","name":"Hunt Midwest Enterprises"},"object":{"type":"mine","id":"2300208","name":"MO PORTABLE #2"},"validFrom":"1985-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|M06300|1985-06-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09783","name":"Matthew  Trager"},"object":{"type":"mine","id":"2300208","name":"MO PORTABLE #2"},"validFrom":"1992-03-03","validTo":"1998-07-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|M09783|1992-03-03|1998-07-22"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12761","name":"Trager Stone - Trager Quarries Company"},"object":{"type":"mine","id":"2300208","name":"MO PORTABLE #2"},"validFrom":"1994-04-21","validTo":"1998-07-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|L12761|1994-04-21|1998-07-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09783","name":"Matthew  Trager"},"object":{"type":"operator","id":"L12761","name":"Trager Stone - Trager Quarries Company"},"validFrom":"1994-04-21","validTo":"1998-07-12","current":false,"derived":true,"evidenceMineId":"2300208","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|L12761|1994-04-21|M09783|1992-03-03|147550"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07924","name":"Hunt Midwest Mining Inc"},"object":{"type":"mine","id":"2300208","name":"MO PORTABLE #2"},"validFrom":"1998-07-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|L07924|1998-07-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06300","name":"Hunt Midwest Enterprises"},"object":{"type":"operator","id":"L07924","name":"Hunt Midwest Mining Inc"},"validFrom":"1998-07-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"2300208","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2300208|L07924|1998-07-13|M06300|1985-06-01|138166"}}],"coverage":{"historyRecords":3,"edgeCount":9,"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":"2002-07-18","lastDate":"2002-07-18","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":5,"firstDate":"2000-08-30","lastDate":"2001-09-18","metrics":{"ss":0,"delinquent":5,"recentRows":0,"paidPenalty":275,"proposedPenalty":275,"currentAssessment":275},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"103184","VIOLATION_NO":"6212020","ISSUE_DT":"09/18/2001","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-18"},{"SOURCE_ROW_NUMBER":"103183","VIOLATION_NO":"6212019","ISSUE_DT":"09/18/2001","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-18"},{"SOURCE_ROW_NUMBER":"103641","VIOLATION_NO":"7898236","ISSUE_DT":"08/30/2000","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-08-30"},{"SOURCE_ROW_NUMBER":"103640","VIOLATION_NO":"7898235","ISSUE_DT":"08/30/2000","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-08-30"},{"SOURCE_ROW_NUMBER":"103639","VIOLATION_NO":"7898234","ISSUE_DT":"08/30/2000","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-08-30"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"1950-01-01","lastDate":"1998-07-13","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":3,"firstDate":"2000-08-30","lastDate":"2002-05-09","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":38,"inspectionHours":67,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"571947","EVENT_NO":"0792402","INSPECTION_BEGIN_DT":"05/09/2002","INSPECTION_END_DT":"05/09/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2002-05-09"},{"SOURCE_ROW_NUMBER":"171537","EVENT_NO":"0747974","INSPECTION_BEGIN_DT":"09/18/2001","INSPECTION_END_DT":"09/19/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2001-09-18"},{"SOURCE_ROW_NUMBER":"518129","EVENT_NO":"0748307","INSPECTION_BEGIN_DT":"08/30/2000","INSPECTION_END_DT":"08/31/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"47","SUM_TOTAL_ON_SITE_HOURS":"27","sourceDate":"2000-08-30"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":22,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2001-Q4":{"hours":2726,"employees":7,"production":0},"2001-Q3":{"hours":5301,"employees":8,"production":0},"2001-Q2":{"hours":4222,"employees":8,"production":0},"2001-Q1":{"hours":989,"employees":3,"production":0},"2000-Q4":{"hours":423,"employees":1,"production":0},"2000-Q3":{"hours":4640,"employees":10,"production":0},"2000-Q2":{"hours":5324,"employees":9,"production":0},"2000-Q1":{"hours":5166,"employees":9,"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":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":15553,"employees":9,"production":0},"2001":{"hours":13238,"employees":7,"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":5,"firstDate":"2000-08-30","lastDate":"2001-09-18","metrics":{"ss":0,"amountDue":275,"contested":0,"amountPaid":275,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":275},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1407301","VIOLATION_NO":"6212020","VIOLATION_ISSUE_DT":"09/18/2001","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/19/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-18"},{"SOURCE_ROW_NUMBER":"1407300","VIOLATION_NO":"6212019","VIOLATION_ISSUE_DT":"09/18/2001","SIG_SUB":"N","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/19/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-18"},{"SOURCE_ROW_NUMBER":"1407299","VIOLATION_NO":"7898236","VIOLATION_ISSUE_DT":"08/30/2000","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/13/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-08-30"},{"SOURCE_ROW_NUMBER":"1407298","VIOLATION_NO":"7898235","VIOLATION_ISSUE_DT":"08/30/2000","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/31/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-08-30"},{"SOURCE_ROW_NUMBER":"1407297","VIOLATION_NO":"7898234","VIOLATION_ISSUE_DT":"08/30/2000","SIG_SUB":"N","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/31/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-08-30"}]}],"safety":{"href":"/api/v1/mines/2300208/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2300208/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":"Inspection and cover plates.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032","part":"56","subchapter":"K","subpart":"K","id":"56.12032","citation":"30 CFR 56.12032","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":"Handrails and toeboards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002","part":"56","subchapter":"K","subpart":"J","id":"56.11002","citation":"30 CFR 56.11002","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":2},{"chapter":"I","heading":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","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":"2300208","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}