{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"2001951","name":"CENTRAL STONE & GRAVEL LLC","status":"Abandoned","status_date":"2003-11-15","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Huron","nearest_town":"Bad Axe","operator_id":"L17571","operator_name":"Central Stone & Gravel Llc","controller_id":"M13413","controller_name":"Rod  Van Erp","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":44},"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":"2001951","name":"CENTRAL STONE & GRAVEL LLC"},"operator":{"type":"operator","id":"L17571","name":"Central Stone & Gravel Llc"},"controller":{"type":"controller","id":"M13413","name":"Rod  Van Erp"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L31192","name":"Brade Ready Mix Concrete Inc"},"object":{"type":"mine","id":"2001951","name":"CENTRAL STONE & GRAVEL LLC"},"validFrom":"1950-01-01","validTo":"2000-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2001951|L31192|1950-01-01|2000-03-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M31192","name":"Donald M  Brade"},"object":{"type":"mine","id":"2001951","name":"CENTRAL STONE & GRAVEL LLC"},"validFrom":"1950-01-01","validTo":"2000-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2001951|M31192|1950-01-01|2000-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M31192","name":"Donald M  Brade"},"object":{"type":"operator","id":"L31192","name":"Brade Ready Mix Concrete Inc"},"validFrom":"1950-01-01","validTo":"2000-03-31","current":false,"derived":true,"evidenceMineId":"2001951","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2001951|L31192|1950-01-01|M31192|1950-01-01|159470"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17571","name":"Central Stone & Gravel Llc"},"object":{"type":"mine","id":"2001951","name":"CENTRAL STONE & GRAVEL LLC"},"validFrom":"2000-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2001951|L17571|2000-04-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13413","name":"Rod  Van Erp  et al"},"object":{"type":"mine","id":"2001951","name":"CENTRAL STONE & GRAVEL LLC"},"validFrom":"2000-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2001951|M13413|2000-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13413","name":"Rod  Van Erp  et al"},"object":{"type":"operator","id":"L17571","name":"Central Stone & Gravel Llc"},"validFrom":"2000-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2001951","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2001951|L17571|2000-04-01|M13413|2000-04-01|156244"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"2003-11-15","lastDate":"2003-11-15","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":"2000-06-01","lastDate":"2002-09-18","metrics":{"ss":2,"delinquent":5,"recentRows":0,"paidPenalty":391,"proposedPenalty":391,"currentAssessment":391},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"160232","VIOLATION_NO":"4547033","ISSUE_DT":"09/18/2002","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"113.00","CURRENT_ASSESSMENT_AMT":"113.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-09-18"},{"SOURCE_ROW_NUMBER":"123868","VIOLATION_NO":"7847837","ISSUE_DT":"09/20/2001","CFR_STANDARD_CD":"56.14130(i)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-20"},{"SOURCE_ROW_NUMBER":"123867","VIOLATION_NO":"7847836","ISSUE_DT":"09/20/2001","CFR_STANDARD_CD":"46.9(g)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-09-20"},{"SOURCE_ROW_NUMBER":"82095","VIOLATION_NO":"7803872","ISSUE_DT":"06/01/2000","CFR_STANDARD_CD":"56.12041","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"113.00","CURRENT_ASSESSMENT_AMT":"113.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-06-01"},{"SOURCE_ROW_NUMBER":"82094","VIOLATION_NO":"7803871","ISSUE_DT":"06/01/2000","CFR_STANDARD_CD":"41.13","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-06-01"}]},{"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":"1950-01-01","lastDate":"2000-04-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":7,"firstDate":"2000-03-29","lastDate":"2002-10-18","metrics":{"inspectors":8,"recentRows":0,"onSiteHours":42,"inspectionHours":69,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1088752","EVENT_NO":"0786859","INSPECTION_BEGIN_DT":"10/18/2002","INSPECTION_END_DT":"10/18/2002","ACTIVITY_CODE":"46","ACTIVITY":"SPECIAL ENFORCEMENT 4","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2002-10-18"},{"SOURCE_ROW_NUMBER":"529100","EVENT_NO":"0845260","INSPECTION_BEGIN_DT":"09/18/2002","INSPECTION_END_DT":"09/18/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2002-09-18"},{"SOURCE_ROW_NUMBER":"1040995","EVENT_NO":"0787140","INSPECTION_BEGIN_DT":"11/14/2001","INSPECTION_END_DT":"11/15/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2001-11-14"},{"SOURCE_ROW_NUMBER":"293547","EVENT_NO":"0783052","INSPECTION_BEGIN_DT":"09/20/2001","INSPECTION_END_DT":"09/20/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2001-09-20"},{"SOURCE_ROW_NUMBER":"384288","EVENT_NO":"0714258","INSPECTION_BEGIN_DT":"05/31/2000","INSPECTION_END_DT":"06/01/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2000-05-31"},{"SOURCE_ROW_NUMBER":"112077","EVENT_NO":"0714128","INSPECTION_BEGIN_DT":"03/30/2000","INSPECTION_END_DT":"03/30/2000","ACTIVITY_CODE":"16","ACTIVITY":"PART 50 AUDIT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2000-03-30"},{"SOURCE_ROW_NUMBER":"1061393","EVENT_NO":"0714126","INSPECTION_BEGIN_DT":"03/29/2000","INSPECTION_END_DT":"03/29/2000","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2000-03-29"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q4":{"hours":1046,"employees":3,"production":0},"2002-Q3":{"hours":1836,"employees":4,"production":0},"2002-Q2":{"hours":1551,"employees":2,"production":0},"2002-Q1":{"hours":1519,"employees":6,"production":0},"2001-Q4":{"hours":2700,"employees":5,"production":0},"2001-Q3":{"hours":5500,"employees":7,"production":0},"2001-Q2":{"hours":3360,"employees":7,"production":0},"2001-Q1":{"hours":1600,"employees":4,"production":0},"2000-Q4":{"hours":720,"employees":2,"production":0},"2000-Q2":{"hours":1800,"employees":3,"production":0},"2000-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":5,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":2520,"employees":3,"production":0},"2001":{"hours":13160,"employees":6,"production":0},"2002":{"hours":5952,"employees":4,"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":"2000-06-01","lastDate":"2002-09-18","metrics":{"ss":2,"amountDue":391,"contested":0,"amountPaid":391,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":391},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1308709","VIOLATION_NO":"4547033","VIOLATION_ISSUE_DT":"09/18/2002","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/19/2002","PROPOSED_PENALTY":"113","AMOUNT_DUE":"113","AMOUNT_PAID":"113","CONTESTED_IND":"N","sourceDate":"2002-09-18"},{"SOURCE_ROW_NUMBER":"1308711","VIOLATION_NO":"7847837","VIOLATION_ISSUE_DT":"09/20/2001","SIG_SUB":"N","PART_SECTION":"56.14130(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/08/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-20"},{"SOURCE_ROW_NUMBER":"1308710","VIOLATION_NO":"7847836","VIOLATION_ISSUE_DT":"09/20/2001","SIG_SUB":"N","PART_SECTION":"46.9(g)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/08/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-09-20"},{"SOURCE_ROW_NUMBER":"1308708","VIOLATION_NO":"7803872","VIOLATION_ISSUE_DT":"06/01/2000","SIG_SUB":"Y","PART_SECTION":"56.12041","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/01/2000","PROPOSED_PENALTY":"113","AMOUNT_DUE":"113","AMOUNT_PAID":"113","CONTESTED_IND":"N","sourceDate":"2000-06-01"},{"SOURCE_ROW_NUMBER":"1308707","VIOLATION_NO":"7803871","VIOLATION_ISSUE_DT":"06/01/2000","SIG_SUB":"N","SECTION_OF_ACT":"109(d)","PART_SECTION":"41.13","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/01/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-06-01"}]}],"safety":{"href":"/api/v1/mines/2001951/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2001951/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":"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":"Roll-over protective structures (ROPS) and seat belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130","part":"56","subchapter":"K","subpart":"M","id":"56.14130","citation":"30 CFR 56.14130","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":"Design of switches and starting boxes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12041","part":"56","subchapter":"K","subpart":"K","id":"56.12041","citation":"30 CFR 56.12041","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":"Failure to notify.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.13","part":"41","subchapter":"G","subpart":"B","id":"41.13","citation":"30 CFR 41.13","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":"2001951","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}