{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2104082","name":"Ramberg Rock Creek Pit","status":"Intermittent","status_date":"2024-08-08","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Pine","nearest_town":"Rock Creek","operator_id":"0196913","operator_name":"Ramberg Excavating","controller_id":"0186181","controller_name":"Oliver  Rauschnot; Kenneth  Rauschnot","district":"M4","office":"Duluth MN Field Office","employees":2,"latitude":45.730278,"longitude":-92.865833},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":18},"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":"2104082","name":"Ramberg Rock Creek Pit"},"operator":{"type":"operator","id":"0196913","name":"Ramberg Excavating"},"controller":{"type":"controller","id":"0186181","name":"Oliver  Rauschnot; Kenneth  Rauschnot"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0196913","name":"Ramberg Excavating"},"object":{"type":"mine","id":"2104082","name":"Ramberg Rock Creek Pit"},"validFrom":"2024-07-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104082|0196913|2024-07-17|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0186181","name":"Oliver  Rauschnot et al"},"object":{"type":"mine","id":"2104082","name":"Ramberg Rock Creek Pit"},"validFrom":"2024-07-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104082|0186181|2024-07-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0186181","name":"Oliver  Rauschnot et al"},"object":{"type":"operator","id":"0196913","name":"Ramberg Excavating"},"validFrom":"2024-07-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104082","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104082|0196913|2024-07-17|0186181|2024-07-17|39728"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0186181","name":"Kenneth  Rauschnot et al"},"object":{"type":"operator","id":"0196913","name":"Ramberg Excavating"},"validFrom":"2024-07-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104082","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104082|0196913|2024-07-17|0186181|2024-07-17|39729"}}],"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":"2024-08-08","lastDate":"2024-08-08","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":2,"firstDate":"2025-10-29","lastDate":"2025-10-29","metrics":{"ss":0,"delinquent":2,"recentRows":2,"paidPenalty":319,"proposedPenalty":319,"currentAssessment":319},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3021204","VIOLATION_NO":"5111648","ISSUE_DT":"10/29/2025","CFR_STANDARD_CD":"46.8(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"168.00","CURRENT_ASSESSMENT_AMT":"168.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-10-29"},{"SOURCE_ROW_NUMBER":"3021203","VIOLATION_NO":"5111647","ISSUE_DT":"10/29/2025","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":"2025-10-29"}]},{"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":"2024-07-17","lastDate":"2024-07-17","metrics":{"recentRows":2,"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":3,"firstDate":"2024-08-08","lastDate":"2025-10-27","metrics":{"inspectors":3,"recentRows":3,"onSiteHours":15.75,"inspectionHours":23.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"701874","EVENT_NO":"F02F77E","INSPECTION_BEGIN_DT":"10/27/2025","INSPECTION_END_DT":"10/29/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2025-10-27"},{"SOURCE_ROW_NUMBER":"1001336","EVENT_NO":"F016D4E","INSPECTION_BEGIN_DT":"07/15/2025","INSPECTION_END_DT":"07/15/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.25","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2025-07-15"},{"SOURCE_ROW_NUMBER":"407987","EVENT_NO":"F011CE7","INSPECTION_BEGIN_DT":"08/08/2024","INSPECTION_END_DT":"08/08/2024","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2024-08-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":5,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":60,"employees":3,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":80,"employees":3,"production":0},"2025-Q3":{"hours":25,"employees":3,"production":0},"2025-Q2":{"hours":300,"employees":2,"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":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2025":{"hours":405,"employees":3,"production":0},"2026":{"hours":60,"employees":2,"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":2,"firstDate":"2025-10-29","lastDate":"2025-10-29","metrics":{"ss":0,"amountDue":319,"contested":0,"amountPaid":319,"recentRows":2,"section104d":0,"unterminated":0,"proposedPenalty":319},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1388068","VIOLATION_NO":"5111648","VIOLATION_ISSUE_DT":"10/29/2025","SIG_SUB":"N","PART_SECTION":"46.8(a)(2)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"3","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"11/04/2025","PROPOSED_PENALTY":"168","AMOUNT_DUE":"168","AMOUNT_PAID":"168","CONTESTED_IND":"N","sourceDate":"2025-10-29"},{"SOURCE_ROW_NUMBER":"1388067","VIOLATION_NO":"5111647","VIOLATION_ISSUE_DT":"10/29/2025","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/03/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-10-29"}]}],"safety":{"href":"/api/v1/mines/2104082/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2104082/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":"Annual refresher training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8","part":"46","subchapter":"H","subpart":"","id":"46.8","citation":"30 CFR 46.8","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":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2104082","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}