{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3901652","name":"Clayton Pit","status":"Intermittent","status_date":"2020-08-05","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"SD","county":"Hutchinson","nearest_town":"EMERY","operator_id":"0172254","operator_name":"G and S Dirt and Demo","controller_id":"0157163","controller_name":"Sara L  Schoenfelder; Grant T  Schoenfelder","district":"M4","office":"Fort Dodge IA Field Office","employees":2,"latitude":43.429167,"longitude":-97.6475},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":50},"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":"3901652","name":"Clayton Pit"},"operator":{"type":"operator","id":"0172254","name":"G and S Dirt and Demo"},"controller":{"type":"controller","id":"0157163","name":"Sara L  Schoenfelder; Grant T  Schoenfelder"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0172254","name":"G and S Dirt and Demo"},"object":{"type":"mine","id":"3901652","name":"Clayton Pit"},"validFrom":"2020-08-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901652|0172254|2020-08-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0157163","name":"Grant T  Schoenfelder et al"},"object":{"type":"mine","id":"3901652","name":"Clayton Pit"},"validFrom":"2020-08-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901652|0157163|2020-08-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0157163","name":"Grant T  Schoenfelder et al"},"object":{"type":"operator","id":"0172254","name":"G and S Dirt and Demo"},"validFrom":"2020-08-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3901652","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901652|0172254|2020-08-04|0157163|2020-08-04|32532"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0157163","name":"Sara L  Schoenfelder et al"},"object":{"type":"operator","id":"0172254","name":"G and S Dirt and Demo"},"validFrom":"2020-08-04","validTo":null,"current":true,"derived":true,"evidenceMineId":"3901652","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901652|0172254|2020-08-04|0157163|2020-08-04|32533"}}],"coverage":{"historyRecords":2,"edgeCount":4,"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":"2020-08-05","lastDate":"2020-08-05","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":"2020-08-04","lastDate":"2023-06-26","metrics":{"ss":1,"delinquent":5,"recentRows":3,"paidPenalty":654,"proposedPenalty":654,"currentAssessment":654},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2705764","VIOLATION_NO":"9629304","ISSUE_DT":"06/26/2023","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"2691988","VIOLATION_NO":"9488191","ISSUE_DT":"09/14/2021","CFR_STANDARD_CD":"46.9(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-09-14"},{"SOURCE_ROW_NUMBER":"2691987","VIOLATION_NO":"9488190","ISSUE_DT":"09/14/2021","CFR_STANDARD_CD":"56.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-09-14"},{"SOURCE_ROW_NUMBER":"2616794","VIOLATION_NO":"9476922","ISSUE_DT":"08/04/2020","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"136.00","CURRENT_ASSESSMENT_AMT":"136.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-08-04"},{"SOURCE_ROW_NUMBER":"2616793","VIOLATION_NO":"9476921","ISSUE_DT":"08/04/2020","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-08-04"}]},{"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":"2020-08-04","lastDate":"2020-08-04","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":8,"firstDate":"2020-08-03","lastDate":"2026-08-10","metrics":{"inspectors":9,"recentRows":6,"onSiteHours":32.25,"inspectionHours":80.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"331374","EVENT_NO":"F0433BF","INSPECTION_BEGIN_DT":"08/10/2026","INSPECTION_END_DT":"08/10/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2026-08-10"},{"SOURCE_ROW_NUMBER":"550113","EVENT_NO":"F02FAEF","INSPECTION_BEGIN_DT":"08/13/2025","INSPECTION_END_DT":"08/14/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"3.25","sourceDate":"2025-08-13"},{"SOURCE_ROW_NUMBER":"1153197","EVENT_NO":"6955280","INSPECTION_BEGIN_DT":"08/07/2024","INSPECTION_END_DT":"08/07/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2024-08-07"},{"SOURCE_ROW_NUMBER":"1145033","EVENT_NO":"6910447","INSPECTION_BEGIN_DT":"06/26/2023","INSPECTION_END_DT":"06/26/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"124992","EVENT_NO":"6903772","INSPECTION_BEGIN_DT":"08/23/2022","INSPECTION_END_DT":"08/23/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2022-08-23"},{"SOURCE_ROW_NUMBER":"96655","EVENT_NO":"6903236","INSPECTION_BEGIN_DT":"09/14/2021","INSPECTION_END_DT":"09/15/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"20.5","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2021-09-14"},{"SOURCE_ROW_NUMBER":"311843","EVENT_NO":"6838472","INSPECTION_BEGIN_DT":"09/01/2020","INSPECTION_END_DT":"09/01/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2020-09-01"},{"SOURCE_ROW_NUMBER":"889052","EVENT_NO":"6852575","INSPECTION_BEGIN_DT":"08/03/2020","INSPECTION_END_DT":"08/04/2020","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.75","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2020-08-03"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":22,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":0,"employees":0,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":200,"employees":1,"production":0},"2025-Q3":{"hours":240,"employees":1,"production":0},"2025-Q2":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":0,"employees":0,"production":0},"2024-Q2":{"hours":0,"employees":0,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":160,"employees":2,"production":0},"2023-Q3":{"hours":320,"employees":2,"production":0},"2023-Q2":{"hours":80,"employees":2,"production":0},"2023-Q1":{"hours":0,"employees":0,"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":200,"employees":1,"production":0},"2021":{"hours":335,"employees":1,"production":0},"2022":{"hours":200,"employees":1,"production":0},"2023":{"hours":560,"employees":2,"production":0},"2025":{"hours":440,"employees":1,"production":0},"2026":{"hours":0,"employees":0,"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":"2020-08-04","lastDate":"2023-06-26","metrics":{"ss":1,"amountDue":654,"contested":0,"amountPaid":654,"recentRows":3,"section104d":0,"unterminated":0,"proposedPenalty":654},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2043630","VIOLATION_NO":"9629304","VIOLATION_ISSUE_DT":"06/26/2023","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/26/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"2043634","VIOLATION_NO":"9488191","VIOLATION_ISSUE_DT":"09/14/2021","SIG_SUB":"N","PART_SECTION":"46.9(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/14/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-09-14"},{"SOURCE_ROW_NUMBER":"2043633","VIOLATION_NO":"9488190","VIOLATION_ISSUE_DT":"09/14/2021","SIG_SUB":"N","PART_SECTION":"56.15001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/15/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-09-14"},{"SOURCE_ROW_NUMBER":"2043632","VIOLATION_NO":"9476922","VIOLATION_ISSUE_DT":"08/04/2020","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/04/2020","PROPOSED_PENALTY":"136","AMOUNT_DUE":"136","AMOUNT_PAID":"136","CONTESTED_IND":"N","sourceDate":"2020-08-04"},{"SOURCE_ROW_NUMBER":"2043631","VIOLATION_NO":"9476921","VIOLATION_ISSUE_DT":"08/04/2020","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/04/2020","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2020-08-04"}]}],"safety":{"href":"/api/v1/mines/3901652/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3901652/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":"Notification of commencement of operations and closing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000","part":"56","subchapter":"K","subpart":"A","id":"56.1000","citation":"30 CFR 56.1000","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":"Records of training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9","part":"46","subchapter":"H","subpart":"","id":"46.9","citation":"30 CFR 46.9","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"First-aid materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001","part":"56","subchapter":"K","subpart":"N","id":"56.15001","citation":"30 CFR 56.15001","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":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","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":"3901652","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}