{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-18T09:31:49.615Z","identity":{"mine_id":"0505152","name":"Antero Gravel Pit","status":"Intermittent","status_date":"2022-06-18","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"CO","county":"Park","nearest_town":"Hartsel","operator_id":"0164273","operator_name":"Mule Creek Gravel, LLC","controller_id":"0148561","controller_name":"Jay A Baker","district":"M6","office":"Denver CO Field Office","employees":3,"latitude":38.987794,"longitude":-105.726609},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":38},"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":"2026-10-18T09:31:49.615908+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":"0505152","name":"Antero Gravel Pit"},"operator":{"type":"operator","id":"0164273","name":"Mule Creek Gravel, LLC"},"controller":{"type":"controller","id":"0148561","name":"Jay A Baker"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0148561","name":"Jay A Baker"},"object":{"type":"mine","id":"0505152","name":"Antero Gravel Pit"},"validFrom":"2019-02-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"0505152|0148561|2019-02-04|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0164273","name":"Mule Creek Gravel, LLC"},"object":{"type":"mine","id":"0505152","name":"Antero Gravel Pit"},"validFrom":"2022-06-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"0505152|0164273|2022-06-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0148561","name":"Jay A Baker"},"object":{"type":"operator","id":"0164273","name":"Mule Creek Gravel, LLC"},"validFrom":"2022-06-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"0505152","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"0505152|0164273|2022-06-17|0148561|2019-02-04|30417"}}],"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":"2022-06-18","lastDate":"2022-06-18","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":"2025-07-31","lastDate":"2025-11-06","metrics":{"ss":2,"delinquent":5,"recentRows":5,"paidPenalty":755,"proposedPenalty":755,"currentAssessment":755},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2961645","VIOLATION_NO":"9822195","ISSUE_DT":"11/06/2025","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-11-06"},{"SOURCE_ROW_NUMBER":"2950712","VIOLATION_NO":"5056813","ISSUE_DT":"07/31/2025","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-31"},{"SOURCE_ROW_NUMBER":"2950711","VIOLATION_NO":"5056812","ISSUE_DT":"07/31/2025","CFR_STANDARD_CD":"56.9301","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-31"},{"SOURCE_ROW_NUMBER":"2950710","VIOLATION_NO":"5056811","ISSUE_DT":"07/31/2025","CFR_STANDARD_CD":"56.4601","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-31"},{"SOURCE_ROW_NUMBER":"2950709","VIOLATION_NO":"5056810","ISSUE_DT":"07/31/2025","CFR_STANDARD_CD":"56.14112(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-31"}]},{"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":"2022-06-17","lastDate":"2022-06-17","metrics":{"recentRows":1,"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":4,"firstDate":"2023-08-02","lastDate":"2025-11-06","metrics":{"inspectors":4,"recentRows":4,"onSiteHours":20.75,"inspectionHours":54.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"195976","EVENT_NO":"F013939","INSPECTION_BEGIN_DT":"11/06/2025","INSPECTION_END_DT":"11/12/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2025-11-06"},{"SOURCE_ROW_NUMBER":"887114","EVENT_NO":"F010E2A","INSPECTION_BEGIN_DT":"07/30/2025","INSPECTION_END_DT":"08/01/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"6.75","sourceDate":"2025-07-30"},{"SOURCE_ROW_NUMBER":"1078980","EVENT_NO":"6947855","INSPECTION_BEGIN_DT":"01/04/2024","INSPECTION_END_DT":"01/04/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2024-01-04"},{"SOURCE_ROW_NUMBER":"713732","EVENT_NO":"6947608","INSPECTION_BEGIN_DT":"08/02/2023","INSPECTION_END_DT":"08/02/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.25","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2023-08-02"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":17,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":208,"employees":1,"production":0},"2026-Q1":{"hours":260,"employees":1,"production":0},"2025-Q4":{"hours":587,"employees":2,"production":0},"2025-Q3":{"hours":244,"employees":1,"production":0},"2025-Q2":{"hours":168,"employees":1,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":116,"employees":1,"production":0},"2024-Q3":{"hours":116,"employees":1,"production":0},"2024-Q2":{"hours":288,"employees":2,"production":0},"2024-Q1":{"hours":128,"employees":1,"production":0},"2023-Q4":{"hours":148,"employees":1,"production":0},"2023-Q3":{"hours":260,"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2023":{"hours":488,"employees":1,"production":0},"2024":{"hours":648,"employees":1,"production":0},"2025":{"hours":999,"employees":1,"production":0},"2026":{"hours":468,"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-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":5,"firstDate":"2025-07-31","lastDate":"2025-11-06","metrics":{"ss":2,"amountDue":755,"contested":0,"amountPaid":755,"recentRows":5,"section104d":0,"unterminated":0,"proposedPenalty":755},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"348224","VIOLATION_NO":"9822195","VIOLATION_ISSUE_DT":"11/06/2025","SIG_SUB":"Y","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/12/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-11-06"},{"SOURCE_ROW_NUMBER":"348223","VIOLATION_NO":"5056813","VIOLATION_ISSUE_DT":"07/31/2025","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/31/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-31"},{"SOURCE_ROW_NUMBER":"348222","VIOLATION_NO":"5056812","VIOLATION_ISSUE_DT":"07/31/2025","SIG_SUB":"Y","PART_SECTION":"56.9301","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/31/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-31"},{"SOURCE_ROW_NUMBER":"348221","VIOLATION_NO":"5056811","VIOLATION_ISSUE_DT":"07/31/2025","SIG_SUB":"N","PART_SECTION":"56.4601","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/31/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-31"},{"SOURCE_ROW_NUMBER":"348220","VIOLATION_NO":"5056810","VIOLATION_ISSUE_DT":"07/31/2025","SIG_SUB":"N","PART_SECTION":"56.14112(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/31/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-31"}]}],"safety":{"href":"/api/v1/mines/0505152/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0505152/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":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Dump site restraints.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301","part":"56","subchapter":"K","subpart":"H","id":"56.9301","citation":"30 CFR 56.9301","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":"Oxygen cylinder storage.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4601","part":"56","subchapter":"K","subpart":"C","id":"56.4601","citation":"30 CFR 56.4601","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":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","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":"0505152","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666}}