{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"4801808","name":"2004 Chieftan Screener","status":"Intermittent","status_date":"2021-04-01","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WY","county":"Sweetwater","nearest_town":"Creston","operator_id":"0157974","operator_name":"Lee Sand and Gravel, Inc","controller_id":"0141941","controller_name":"Wes  Lee","district":"M6","office":"Green River WY Field Office","employees":2,"latitude":41.726667,"longitude":-107.675833},"coverage":{"contributingSources":7,"registeredSources":20,"sourceRows":25},"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":"4801808","name":"2004 Chieftan Screener"},"operator":{"type":"operator","id":"0157974","name":"Lee Sand and Gravel, Inc"},"controller":{"type":"controller","id":"0141941","name":"Wes  Lee"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0157974","name":"Lee Sand and Gravel, Inc"},"object":{"type":"mine","id":"4801808","name":"2004 Chieftan Screener"},"validFrom":"2018-04-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801808|0157974|2018-04-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0141941","name":"Wes  Lee"},"object":{"type":"mine","id":"4801808","name":"2004 Chieftan Screener"},"validFrom":"2018-04-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801808|0141941|2018-04-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0141941","name":"Wes  Lee"},"object":{"type":"operator","id":"0157974","name":"Lee Sand and Gravel, Inc"},"validFrom":"2018-04-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"4801808","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801808|0157974|2018-04-04|0141941|2018-04-05|28705"}}],"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":"2021-04-01","lastDate":"2021-04-01","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":"2022-07-20","lastDate":"2026-03-17","metrics":{"ss":1,"delinquent":3,"recentRows":3,"paidPenalty":650,"proposedPenalty":650,"currentAssessment":650},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3042461","VIOLATION_NO":"5210001","ISSUE_DT":"03/17/2026","CFR_STANDARD_CD":"56.4203","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-03-17"},{"SOURCE_ROW_NUMBER":"2994086","VIOLATION_NO":"5051175","ISSUE_DT":"07/28/2025","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"366.00","CURRENT_ASSESSMENT_AMT":"366.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-28"},{"SOURCE_ROW_NUMBER":"2622753","VIOLATION_NO":"9471929","ISSUE_DT":"07/20/2022","CFR_STANDARD_CD":"56.11012","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-07-20"}]},{"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":"2018-04-04","lastDate":"2018-04-04","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":7,"firstDate":"2020-06-10","lastDate":"2026-03-17","metrics":{"inspectors":7,"recentRows":5,"onSiteHours":11.5,"inspectionHours":42,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"96812","EVENT_NO":"F045125","INSPECTION_BEGIN_DT":"03/17/2026","INSPECTION_END_DT":"04/27/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2026-03-17"},{"SOURCE_ROW_NUMBER":"395241","EVENT_NO":"F01CC26","INSPECTION_BEGIN_DT":"07/28/2025","INSPECTION_END_DT":"07/28/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2025-07-28"},{"SOURCE_ROW_NUMBER":"1078807","EVENT_NO":"F00658D","INSPECTION_BEGIN_DT":"09/04/2024","INSPECTION_END_DT":"09/04/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.25","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2024-09-04"},{"SOURCE_ROW_NUMBER":"107337","EVENT_NO":"6944557","INSPECTION_BEGIN_DT":"09/12/2023","INSPECTION_END_DT":"09/12/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2023-09-12"},{"SOURCE_ROW_NUMBER":"466675","EVENT_NO":"6855059","INSPECTION_BEGIN_DT":"07/20/2022","INSPECTION_END_DT":"07/22/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2022-07-20"},{"SOURCE_ROW_NUMBER":"1051067","EVENT_NO":"6466830","INSPECTION_BEGIN_DT":"11/12/2020","INSPECTION_END_DT":"11/13/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2020-11-12"},{"SOURCE_ROW_NUMBER":"40977","EVENT_NO":"6789162","INSPECTION_BEGIN_DT":"06/10/2020","INSPECTION_END_DT":"06/10/2020","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2020-06-10"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":9,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2018":{"hours":56,"employees":1,"production":0},"2019":{"hours":121,"employees":2,"production":0},"2020":{"hours":11,"employees":2,"production":0},"2021":{"hours":60,"employees":3,"production":0},"2022":{"hours":89,"employees":2,"production":0},"2023":{"hours":204,"employees":3,"production":0},"2024":{"hours":491,"employees":3,"production":0},"2025":{"hours":246,"employees":2,"production":0},"2026":{"hours":162,"employees":3,"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":"2022-07-20","lastDate":"2026-03-17","metrics":{"ss":1,"amountDue":650,"contested":0,"amountPaid":650,"recentRows":3,"section104d":0,"unterminated":0,"proposedPenalty":650},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3075240","VIOLATION_NO":"5210001","VIOLATION_ISSUE_DT":"03/17/2026","SIG_SUB":"N","PART_SECTION":"56.4203","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/17/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-03-17"},{"SOURCE_ROW_NUMBER":"3075242","VIOLATION_NO":"5051175","VIOLATION_ISSUE_DT":"07/28/2025","SIG_SUB":"Y","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"07/28/2025","PROPOSED_PENALTY":"366","AMOUNT_DUE":"366","AMOUNT_PAID":"366","CONTESTED_IND":"N","sourceDate":"2025-07-28"},{"SOURCE_ROW_NUMBER":"3075241","VIOLATION_NO":"9471929","VIOLATION_ISSUE_DT":"07/20/2022","SIG_SUB":"N","PART_SECTION":"56.11012","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/22/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-07-20"}]}],"safety":{"href":"/api/v1/mines/4801808/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4801808/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":"Extinguisher recharging or replacement.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203","part":"56","subchapter":"K","subpart":"C","id":"56.4203","citation":"30 CFR 56.4203","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":"Safe access.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001","part":"56","subchapter":"K","subpart":"J","id":"56.11001","citation":"30 CFR 56.11001","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":"Protection for openings around travelways.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012","part":"56","subchapter":"K","subpart":"J","id":"56.11012","citation":"30 CFR 56.11012","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":"4801808","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}