{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-18T09:31:49.615Z","identity":{"mine_id":"1103262","name":"740 S. Bolen Rd. Quarry","status":"Abandoned","status_date":"2016-07-21","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"IL","county":"Stephenson","nearest_town":"Pecatonica","operator_id":"0128355","operator_name":"Tipton Quarry Products, LLC","controller_id":"0109165","controller_name":"Wendell R  Tipton","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":22},"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":"1103262","name":"740 S. Bolen Rd. Quarry"},"operator":{"type":"operator","id":"0128355","name":"Tipton Quarry Products, LLC"},"controller":{"type":"controller","id":"0109165","name":"Wendell R  Tipton"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0128355","name":"Tipton Quarry Products, LLC"},"object":{"type":"mine","id":"1103262","name":"740 S. Bolen Rd. Quarry"},"validFrom":"2013-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1103262|0128355|2013-05-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0109165","name":"Wendell R  Tipton"},"object":{"type":"mine","id":"1103262","name":"740 S. Bolen Rd. Quarry"},"validFrom":"2013-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1103262|0109165|2013-05-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0109165","name":"Wendell R  Tipton"},"object":{"type":"operator","id":"0128355","name":"Tipton Quarry Products, LLC"},"validFrom":"2013-05-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"1103262","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"1103262|0128355|2013-05-30|0109165|2013-05-30|19748"}}],"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":"2016-07-21","lastDate":"2016-07-21","metrics":{},"periods":{},"recentRecords":[]},{"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":"2013-05-30","lastDate":"2013-05-30","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":6,"firstDate":"2013-06-26","lastDate":"2016-07-20","metrics":{"inspectors":6,"recentRows":0,"onSiteHours":9.25,"inspectionHours":25.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"958812","EVENT_NO":"6702496","INSPECTION_BEGIN_DT":"07/20/2016","INSPECTION_END_DT":"07/20/2016","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"14511","EVENT_NO":"6702248","INSPECTION_BEGIN_DT":"08/10/2015","INSPECTION_END_DT":"08/10/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2015-08-10"},{"SOURCE_ROW_NUMBER":"369833","EVENT_NO":"6636901","INSPECTION_BEGIN_DT":"11/13/2013","INSPECTION_END_DT":"11/13/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2013-11-13"},{"SOURCE_ROW_NUMBER":"915569","EVENT_NO":"6636233","INSPECTION_BEGIN_DT":"07/17/2013","INSPECTION_END_DT":"07/17/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2013-07-17"},{"SOURCE_ROW_NUMBER":"150979","EVENT_NO":"6636229","INSPECTION_BEGIN_DT":"06/28/2013","INSPECTION_END_DT":"06/28/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2013-06-28"},{"SOURCE_ROW_NUMBER":"784838","EVENT_NO":"6636223","INSPECTION_BEGIN_DT":"06/26/2013","INSPECTION_END_DT":"06/26/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2013-06-26"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":10,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q3":{"hours":100,"employees":1,"production":0},"2015-Q2":{"hours":156,"employees":1,"production":0},"2015-Q1":{"hours":10,"employees":1,"production":0},"2014-Q4":{"hours":85,"employees":1,"production":0},"2014-Q3":{"hours":120,"employees":1,"production":0},"2014-Q2":{"hours":152,"employees":1,"production":0},"2014-Q1":{"hours":85,"employees":2,"production":0},"2013-Q4":{"hours":80,"employees":2,"production":0},"2013-Q3":{"hours":220,"employees":2,"production":0},"2013-Q2":{"hours":151,"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":3,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2013":{"hours":451,"employees":2,"production":0},"2014":{"hours":442,"employees":1,"production":0},"2015":{"hours":266,"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":[]}],"safety":{"href":"/api/v1/mines/1103262/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1103262/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":[],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1103262","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666}}