{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2402557","name":"Rexford Pit","status":"Abandoned","status_date":"2009-09-01","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MT","county":"Lincoln","nearest_town":"Eureka","operator_id":"0105345","operator_name":"R. E. Harrell","controller_id":"0089113","controller_name":"R.E.  Harrell","district":"M6","office":"Helena MT Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":17},"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":"2402557","name":"Rexford Pit"},"operator":{"type":"operator","id":"0105345","name":"R. E. Harrell"},"controller":{"type":"controller","id":"0089113","name":"R.E.  Harrell"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0105345","name":"R. E. Harrell"},"object":{"type":"mine","id":"2402557","name":"Rexford Pit"},"validFrom":"2009-08-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402557|0105345|2009-08-31|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0089113","name":"R.E.  Harrell"},"object":{"type":"mine","id":"2402557","name":"Rexford Pit"},"validFrom":"2009-08-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402557|0089113|2009-08-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0089113","name":"R.E.  Harrell"},"object":{"type":"operator","id":"0105345","name":"R. E. Harrell"},"validFrom":"2009-08-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"2402557","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2402557|0105345|2009-08-31|0089113|2009-08-31|14334"}}],"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":"2009-09-01","lastDate":"2009-09-01","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":"2009-09-01","lastDate":"2009-12-11","metrics":{"ss":0,"delinquent":4,"recentRows":0,"paidPenalty":412,"proposedPenalty":412,"currentAssessment":412},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"527450","VIOLATION_NO":"6451322","ISSUE_DT":"12/11/2009","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-12-11"},{"SOURCE_ROW_NUMBER":"525352","VIOLATION_NO":"7901102","ISSUE_DT":"09/01/2009","CFR_STANDARD_CD":"46.3(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-01"},{"SOURCE_ROW_NUMBER":"525351","VIOLATION_NO":"7901101","ISSUE_DT":"09/01/2009","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-01"},{"SOURCE_ROW_NUMBER":"525350","VIOLATION_NO":"7901100","ISSUE_DT":"09/01/2009","CFR_STANDARD_CD":"41.11","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-09-01"}]},{"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":"2010-09-20","lastDate":"2010-09-20","metrics":{"appeals":0,"decisions":1,"recentRows":0,"decisionPenalty":100,"originalPenalty":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"268132","VIOLATION_NO":"6451322","DOCKET_NO":"WEST 2010-860M","DECISION_DT":"09/20/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-09-20"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":1,"firstDate":"2009-12-11","lastDate":"2009-12-11","metrics":{"decisions":1,"ssChanged":0,"recentRows":0,"decisionPenalty":100,"proposedPenalty":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"410858","CITATION_NO":"6451322","CITATION_ISSUE_DT":"12/11/2009","DOCKET_NO":"WEST 2010-860M","DECISION_DT":"09/20/2010","CFR_STANDARD_CODE":"50.30(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-12-11"}]},{"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":"2009-08-31","lastDate":"2009-08-31","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":2,"firstDate":"2009-08-31","lastDate":"2009-12-11","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":4,"inspectionHours":23.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"637678","EVENT_NO":"1106685","INSPECTION_BEGIN_DT":"12/11/2009","INSPECTION_END_DT":"12/11/2009","ACTIVITY_CODE":"E24","ACTIVITY":"Other Technical Compliance Investigations","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2009-12-11"},{"SOURCE_ROW_NUMBER":"17898","EVENT_NO":"1106002","INSPECTION_BEGIN_DT":"08/31/2009","INSPECTION_END_DT":"09/01/2009","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2009-08-31"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2009-Q3":{"hours":2,"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":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2009":{"hours":2,"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":4,"firstDate":"2009-09-01","lastDate":"2009-12-11","metrics":{"ss":0,"amountDue":412,"contested":1,"amountPaid":412,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":412},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1486515","VIOLATION_NO":"6451322","VIOLATION_ISSUE_DT":"12/11/2009","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"01/20/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"Y","DOCKET_NO":"WEST 2010-860M","sourceDate":"2009-12-11"},{"SOURCE_ROW_NUMBER":"1486514","VIOLATION_NO":"7901102","VIOLATION_ISSUE_DT":"09/01/2009","SIG_SUB":"N","PART_SECTION":"46.3(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"2","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"09/01/2009","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"112","CONTESTED_IND":"N","sourceDate":"2009-09-01"},{"SOURCE_ROW_NUMBER":"1486513","VIOLATION_NO":"7901101","VIOLATION_ISSUE_DT":"09/01/2009","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/01/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-01"},{"SOURCE_ROW_NUMBER":"1486512","VIOLATION_NO":"7901100","VIOLATION_ISSUE_DT":"09/01/2009","SIG_SUB":"N","PART_SECTION":"41.11","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/02/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-09-01"}]}],"safety":{"href":"/api/v1/mines/2402557/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2402557/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":"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":"Training plans.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3","part":"46","subchapter":"H","subpart":"","id":"46.3","citation":"30 CFR 46.3","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":"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":"Notification by operator.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.11","part":"41","subchapter":"G","subpart":"B","id":"41.11","citation":"30 CFR 41.11","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 41—NOTIFICATION OF LEGAL IDENTITY","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2402557","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}