{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1302495","name":"PORTABLE DRILL DEPT 524","status":"Abandoned","status_date":"2025-11-05","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"IA","county":"Clinton","nearest_town":"VARIOUS","operator_id":"L09222","operator_name":"Wendling Quarries, Inc.","controller_id":"M07259","controller_name":"Manaco Corporation","district":"M4","office":"Peru IL Field Office","employees":0,"latitude":41.847778,"longitude":-90.579444},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":44},"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":"1302495","name":"PORTABLE DRILL DEPT 524"},"operator":{"type":"operator","id":"L09222","name":"Wendling Quarries, Inc."},"controller":{"type":"controller","id":"M07259","name":"Manaco Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07259","name":"Manaco Corporation"},"object":{"type":"mine","id":"1302495","name":"PORTABLE DRILL DEPT 524"},"validFrom":"1987-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302495|M07259|1987-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09222","name":"Wendling Quarries, Inc."},"object":{"type":"mine","id":"1302495","name":"PORTABLE DRILL DEPT 524"},"validFrom":"2020-09-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302495|L09222|2020-09-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07259","name":"Manaco Corporation"},"object":{"type":"operator","id":"L09222","name":"Wendling Quarries, Inc."},"validFrom":"2020-09-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"1302495","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302495|L09222|2020-09-29|M07259|1987-03-01|140478"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":"2025-11-05","lastDate":"2025-11-05","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":4,"firstDate":"2021-03-25","lastDate":"2022-06-24","metrics":{"ss":1,"delinquent":4,"recentRows":4,"paidPenalty":1661,"proposedPenalty":1661,"currentAssessment":1661},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2692802","VIOLATION_NO":"9489776","ISSUE_DT":"06/24/2022","CFR_STANDARD_CD":"56.14100(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-06-24"},{"SOURCE_ROW_NUMBER":"2597858","VIOLATION_NO":"9482995","ISSUE_DT":"03/25/2021","CFR_STANDARD_CD":"56.4101","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-03-25"},{"SOURCE_ROW_NUMBER":"2597857","VIOLATION_NO":"9482994","ISSUE_DT":"03/25/2021","CFR_STANDARD_CD":"56.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-03-25"},{"SOURCE_ROW_NUMBER":"2597856","VIOLATION_NO":"9482993","ISSUE_DT":"03/25/2021","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1278.00","CURRENT_ASSESSMENT_AMT":"1278.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-03-25"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"2020-09-29","lastDate":"2020-09-29","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":6,"firstDate":"2021-03-25","lastDate":"2025-05-21","metrics":{"inspectors":6,"recentRows":6,"onSiteHours":15.5,"inspectionHours":42,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"166988","EVENT_NO":"F0167CB","INSPECTION_BEGIN_DT":"05/21/2025","INSPECTION_END_DT":"05/21/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2025-05-21"},{"SOURCE_ROW_NUMBER":"532697","EVENT_NO":"6955066","INSPECTION_BEGIN_DT":"09/04/2024","INSPECTION_END_DT":"09/05/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2024-09-04"},{"SOURCE_ROW_NUMBER":"133374","EVENT_NO":"6910513","INSPECTION_BEGIN_DT":"05/04/2023","INSPECTION_END_DT":"05/05/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.25","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2023-05-04"},{"SOURCE_ROW_NUMBER":"21212","EVENT_NO":"6903725","INSPECTION_BEGIN_DT":"06/23/2022","INSPECTION_END_DT":"06/24/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2022-06-23"},{"SOURCE_ROW_NUMBER":"217896","EVENT_NO":"6903549","INSPECTION_BEGIN_DT":"12/09/2021","INSPECTION_END_DT":"12/09/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2021-12-09"},{"SOURCE_ROW_NUMBER":"803445","EVENT_NO":"6838827","INSPECTION_BEGIN_DT":"03/25/2021","INSPECTION_END_DT":"03/25/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2021-03-25"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":20,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2025-Q4":{"hours":378,"employees":1,"production":0},"2025-Q3":{"hours":639,"employees":1,"production":0},"2025-Q2":{"hours":141,"employees":1,"production":0},"2024-Q4":{"hours":114,"employees":1,"production":0},"2024-Q3":{"hours":158,"employees":1,"production":0},"2024-Q2":{"hours":263,"employees":2,"production":0},"2024-Q1":{"hours":157,"employees":1,"production":0},"2023-Q4":{"hours":432,"employees":1,"production":0},"2023-Q3":{"hours":540,"employees":1,"production":0},"2023-Q2":{"hours":689,"employees":1,"production":0},"2023-Q1":{"hours":392,"employees":1,"production":0},"2022-Q4":{"hours":536,"employees":1,"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":{"2020":{"hours":656,"employees":1,"production":0},"2021":{"hours":2414,"employees":1,"production":0},"2022":{"hours":2416,"employees":1,"production":0},"2023":{"hours":2053,"employees":1,"production":0},"2024":{"hours":692,"employees":1,"production":0},"2025":{"hours":1158,"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-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":1,"firstDate":"2021-12-09","lastDate":"2021-12-09","metrics":{"recentRows":1,"actionTaken":1,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"252375","EVENT_NO":"6903549","SAMPLE_NO":"000000202105020900","SAMPLE_DATE":"12/09/2021","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Drill Operator, Rotary","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-12-09"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":4,"firstDate":"2021-03-25","lastDate":"2022-06-24","metrics":{"ss":1,"amountDue":1661,"contested":0,"amountPaid":1661,"recentRows":4,"section104d":0,"unterminated":0,"proposedPenalty":1661},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"679829","VIOLATION_NO":"9489776","VIOLATION_ISSUE_DT":"06/24/2022","SIG_SUB":"N","PART_SECTION":"56.14100(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/24/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-06-24"},{"SOURCE_ROW_NUMBER":"679828","VIOLATION_NO":"9482995","VIOLATION_ISSUE_DT":"03/25/2021","SIG_SUB":"N","PART_SECTION":"56.4101","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/25/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-03-25"},{"SOURCE_ROW_NUMBER":"679827","VIOLATION_NO":"9482994","VIOLATION_ISSUE_DT":"03/25/2021","SIG_SUB":"N","PART_SECTION":"56.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/25/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-03-25"},{"SOURCE_ROW_NUMBER":"679826","VIOLATION_NO":"9482993","VIOLATION_ISSUE_DT":"03/25/2021","SIG_SUB":"Y","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"03/25/2021","PROPOSED_PENALTY":"1278","AMOUNT_DUE":"1278","AMOUNT_PAID":"1278","CONTESTED_IND":"N","sourceDate":"2021-03-25"}]}],"safety":{"href":"/api/v1/mines/1302495/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1302495/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":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","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":"Warning signs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101","part":"56","subchapter":"K","subpart":"C","id":"56.4101","citation":"30 CFR 56.4101","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":"Parking procedures for unattended equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207","part":"56","subchapter":"K","subpart":"M","id":"56.14207","citation":"30 CFR 56.14207","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":"1302495","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}