{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3302918","name":"WAPAKONETA PLANT","status":"Abandoned","status_date":"2003-01-31","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"OH","county":"Auglaize","nearest_town":"Wapakoneta","operator_id":"L00317","operator_name":"National Lime & Stone Company","controller_id":"M00255","controller_name":"National Lime & Stone Co.","district":"M2","office":"Hebron OH Field Office","employees":5,"latitude":40.556915,"longitude":-84.020368},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":47},"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":"3302918","name":"WAPAKONETA PLANT"},"operator":{"type":"operator","id":"L00317","name":"National Lime & Stone Company"},"controller":{"type":"controller","id":"M00255","name":"National Lime & Stone Co."},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01167","name":"Western Materials Div-Medusa Aggregates Company"},"object":{"type":"mine","id":"3302918","name":"WAPAKONETA PLANT"},"validFrom":"1950-01-01","validTo":"1978-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|L01167|1950-01-01|1978-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00187","name":"Medusa Corp"},"object":{"type":"mine","id":"3302918","name":"WAPAKONETA PLANT"},"validFrom":"1950-01-01","validTo":"1978-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|M00187|1950-01-01|1978-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00187","name":"Medusa Corp"},"object":{"type":"operator","id":"L01167","name":"Western Materials Div-Medusa Aggregates Company"},"validFrom":"1950-01-01","validTo":"1978-12-31","current":false,"derived":true,"evidenceMineId":"3302918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|L01167|1950-01-01|M00187|1950-01-01|106925"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00255","name":"National Lime & Stone Co."},"object":{"type":"mine","id":"3302918","name":"WAPAKONETA PLANT"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|M00255|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00181","name":"Crane Company"},"object":{"type":"mine","id":"3302918","name":"WAPAKONETA PLANT"},"validFrom":"1978-12-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|M00181|1978-12-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01964","name":"Medusa Aggregates Company"},"object":{"type":"mine","id":"3302918","name":"WAPAKONETA PLANT"},"validFrom":"1979-01-01","validTo":"1983-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|L01964|1979-01-01|1983-07-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00181","name":"Crane Company"},"object":{"type":"operator","id":"L01964","name":"Medusa Aggregates Company"},"validFrom":"1979-01-01","validTo":"1983-07-14","current":false,"derived":true,"evidenceMineId":"3302918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|L01964|1979-01-01|M00181|1978-12-13|106820"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00317","name":"National Lime & Stone Company"},"object":{"type":"mine","id":"3302918","name":"WAPAKONETA PLANT"},"validFrom":"1983-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|L00317|1983-07-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00255","name":"National Lime & Stone Co."},"object":{"type":"operator","id":"L00317","name":"National Lime & Stone Company"},"validFrom":"1983-07-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"3302918","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3302918|L00317|1983-07-15|M00255|1950-01-01|108452"}}],"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":"2003-01-31","lastDate":"2003-01-31","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":2,"firstDate":"2000-10-03","lastDate":"2001-10-09","metrics":{"ss":0,"delinquent":2,"recentRows":0,"paidPenalty":355,"proposedPenalty":355,"currentAssessment":355},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"115129","VIOLATION_NO":"6145050","ISSUE_DT":"10/09/2001","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":"2001-10-09"},{"SOURCE_ROW_NUMBER":"20703","VIOLATION_NO":"7834404","ISSUE_DT":"10/03/2000","CFR_STANDARD_CD":"56.14130(g)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"300.00","CURRENT_ASSESSMENT_AMT":"300.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-10-03"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":1,"firstDate":"2001-09-13","lastDate":"2001-09-13","metrics":{"appeals":0,"decisions":1,"recentRows":0,"decisionPenalty":300,"originalPenalty":300},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"176871","VIOLATION_NO":"7834404","DOCKET_NO":"LAKE20010178M","DECISION_DT":"09/13/2001","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"300.00","DECISION_PENALTY_AMT":"300.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2001-09-13"}]},{"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":"1983-07-15","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":2,"firstDate":"2000-10-03","lastDate":"2001-10-09","metrics":{"inspectors":2,"recentRows":0,"onSiteHours":18,"inspectionHours":24,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1127412","EVENT_NO":"0769269","INSPECTION_BEGIN_DT":"10/09/2001","INSPECTION_END_DT":"10/10/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2001-10-09"},{"SOURCE_ROW_NUMBER":"539594","EVENT_NO":"0521724","INSPECTION_BEGIN_DT":"10/03/2000","INSPECTION_END_DT":"10/04/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2000-10-03"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":25,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2003-Q1":{"hours":0,"employees":0,"production":0},"2002-Q4":{"hours":872,"employees":2,"production":0},"2002-Q3":{"hours":2017,"employees":4,"production":0},"2002-Q2":{"hours":2584,"employees":5,"production":0},"2002-Q1":{"hours":1212,"employees":3,"production":0},"2001-Q4":{"hours":1632,"employees":3,"production":0},"2001-Q3":{"hours":1064,"employees":5,"production":0},"2001-Q2":{"hours":2650,"employees":5,"production":0},"2001-Q1":{"hours":1580,"employees":3,"production":0},"2000-Q4":{"hours":3525,"employees":7,"production":0},"2000-Q3":{"hours":3606,"employees":7,"production":0},"2000-Q2":{"hours":3738,"employees":7,"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":15502,"employees":7,"production":0},"2001":{"hours":6926,"employees":4,"production":0},"2002":{"hours":6685,"employees":4,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":4,"firstDate":"2001-10-10","lastDate":"2001-10-10","metrics":{"recentRows":0,"actionTaken":4,"maxExposureRatio":0.79,"overExposureLimit":0,"exposureRatioTotal":1.09},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"9438","EVENT_NO":"0769269","SAMPLE_NO":"000000200103562300","SAMPLE_DATE":"10/10/2001","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"9437","EVENT_NO":"0769269","SAMPLE_NO":"000000200103562200","SAMPLE_DATE":"10/10/2001","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"9436","EVENT_NO":"0769269","SAMPLE_NO":"000000200103562100","SAMPLE_DATE":"10/10/2001","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0001.18","EXPOSURE_LIMIT":"0001.50","C_OVER_E":"00.79","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"9435","EVENT_NO":"0769269","SAMPLE_NO":"000000200103562000","SAMPLE_DATE":"10/10/2001","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.23","EXPOSURE_LIMIT":"0000.77","C_OVER_E":"00.30","JOB_CD_DESC":"Washer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-10-10"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":2,"firstDate":"2000-10-03","lastDate":"2001-10-09","metrics":{"ss":0,"amountDue":355,"contested":1,"amountPaid":355,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":355},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1750775","VIOLATION_NO":"6145050","VIOLATION_ISSUE_DT":"10/09/2001","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/09/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-09"},{"SOURCE_ROW_NUMBER":"1750774","VIOLATION_NO":"7834404","VIOLATION_ISSUE_DT":"10/03/2000","SIG_SUB":"N","PART_SECTION":"56.14130(g)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/03/2000","PROPOSED_PENALTY":"300","AMOUNT_DUE":"300","AMOUNT_PAID":"300","CONTESTED_IND":"Y","DOCKET_NO":"LAKE20010178M","sourceDate":"2000-10-03"}]}],"safety":{"href":"/api/v1/mines/3302918/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3302918/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":"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},{"chapter":"I","heading":"Roll-over protective structures (ROPS) and seat belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130","part":"56","subchapter":"K","subpart":"M","id":"56.14130","citation":"30 CFR 56.14130","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":"3302918","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}