{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3605122","name":"Shade No 3","status":"Abandoned and Sealed","status_date":"2000-10-16","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Somerset","nearest_town":"Friedens","operator_id":"P18314","operator_name":"Shade Mining Company","controller_id":"C12771","controller_name":"Donald R  Hoffman","district":"C03","office":"Indiana PA Field Office","employees":0,"latitude":40.0944,"longitude":-78.8778},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":16},"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":"3605122","name":"Shade No 3"},"operator":{"type":"operator","id":"P18314","name":"Shade Mining Company"},"controller":{"type":"controller","id":"C12771","name":"Donald R  Hoffman"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P05574","name":"Shade Mining Company"},"object":{"type":"mine","id":"3605122","name":"Shade No 3"},"validFrom":"1974-09-13","validTo":"1986-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3605122|P05574|1974-09-13|1986-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04642","name":"Alberter Barry M"},"object":{"type":"mine","id":"3605122","name":"Shade No 3"},"validFrom":"1974-09-13","validTo":"1986-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3605122|C04642|1974-09-13|1986-10-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04642","name":"Alberter Barry M"},"object":{"type":"operator","id":"P05574","name":"Shade Mining Company"},"validFrom":"1974-09-13","validTo":"1986-10-31","current":false,"derived":true,"evidenceMineId":"3605122","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3605122|P05574|1974-09-13|C04642|1974-09-13|66359"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18314","name":"Shade Mining Company"},"object":{"type":"mine","id":"3605122","name":"Shade No 3"},"validFrom":"1986-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3605122|P18314|1986-11-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12771","name":"Donald R  Hoffman"},"object":{"type":"mine","id":"3605122","name":"Shade No 3"},"validFrom":"1986-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3605122|C12771|1986-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12771","name":"Donald R  Hoffman"},"object":{"type":"operator","id":"P18314","name":"Shade Mining Company"},"validFrom":"1986-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3605122","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3605122|P18314|1986-11-01|C12771|1986-11-01|87880"}}],"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":"2000-10-16","lastDate":"2000-10-16","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":1,"firstDate":"2000-04-19","lastDate":"2000-04-19","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":0,"validSamples":1,"maxConcentration":0.116,"concentrationTotal":0.116},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1183390","CASS_NUM":"57276904","SMP_TAKEN_DT":"4/19/2000","CONC":".116","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2000-04-19"}]},{"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":"1974-09-13","lastDate":"1986-11-01","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":5,"firstDate":"2000-04-07","lastDate":"2000-10-12","metrics":{"inspectors":5,"recentRows":0,"onSiteHours":14.5,"inspectionHours":23.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"490912","EVENT_NO":"4033991","INSPECTION_BEGIN_DT":"10/12/2000","INSPECTION_END_DT":"10/13/2000","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2000-10-12"},{"SOURCE_ROW_NUMBER":"979887","EVENT_NO":"4034583","INSPECTION_BEGIN_DT":"04/19/2000","INSPECTION_END_DT":"04/19/2000","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2000-04-19"},{"SOURCE_ROW_NUMBER":"492427","EVENT_NO":"4034584","INSPECTION_BEGIN_DT":"04/19/2000","INSPECTION_END_DT":"04/19/2000","ACTIVITY_CODE":"BBB","ACTIVITY":"NOISE TECHNICAL INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2000-04-19"},{"SOURCE_ROW_NUMBER":"479499","EVENT_NO":"4034585","INSPECTION_BEGIN_DT":"04/19/2000","INSPECTION_END_DT":"04/27/2000","ACTIVITY_CODE":"BAF","ACTIVITY":"RESP DUST TECH INSP - SURFACE MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2000-04-19"},{"SOURCE_ROW_NUMBER":"590101","EVENT_NO":"4033928","INSPECTION_BEGIN_DT":"04/07/2000","INSPECTION_END_DT":"04/07/2000","ACTIVITY_CODE":"CAA","ACTIVITY":"SPOT INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.75","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2000-04-07"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q4":{"hours":0,"employees":0,"production":0},"2000-Q3":{"hours":325,"employees":1,"production":0},"2000-Q2":{"hours":594,"employees":1,"production":0},"2000-Q1":{"hours":642,"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":{"2000":{"hours":1561,"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-noise-samples","name":"Noise Samples","domains":["health","safety","equipment"],"products":["hearing exposure","machine and manufacturer patterns","occupation coverage"],"rowCount":1,"firstDate":"2000-04-19","lastDate":"2000-04-19","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":14,"pelDoseTotal":6},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"143840","EVENT_NO":"4034584","SURVEY_DATE":"04/19/2000","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"14","PEL_DOSE_90":"6","SURVEY_TYPE":"I","sourceDate":"2000-04-19"}]}],"safety":{"href":"/api/v1/mines/3605122/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3605122/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":"3605122","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}