{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1800685","name":"Hurlock Pit","status":"Abandoned","status_date":"1995-04-27","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MD","county":"Dorchester","nearest_town":"?","operator_id":"L12141","operator_name":"Eastern Shore Concrete & Building Products Inc","controller_id":"M09335","controller_name":"Duduk Fontaine Art & Walter Kennel","district":"M2","office":"Kutztown PA Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":5},"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":"1800685","name":"Hurlock Pit"},"operator":{"type":"operator","id":"L12141","name":"Eastern Shore Concrete & Building Products Inc"},"controller":{"type":"controller","id":"M09335","name":"Duduk Fontaine Art & Walter Kennel"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11240","name":"Fooks Concrete Sand & Gravel"},"object":{"type":"mine","id":"1800685","name":"Hurlock Pit"},"validFrom":"1981-05-01","validTo":"1989-06-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|L11240|1981-05-01|1989-06-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08703","name":"Fooks Lloyd"},"object":{"type":"mine","id":"1800685","name":"Hurlock Pit"},"validFrom":"1981-05-01","validTo":"1989-06-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|M08703|1981-05-01|1989-06-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08703","name":"Fooks Lloyd"},"object":{"type":"operator","id":"L11240","name":"Fooks Concrete Sand & Gravel"},"validFrom":"1981-05-01","validTo":"1989-06-12","current":false,"derived":true,"evidenceMineId":"1800685","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|L11240|1981-05-01|M08703|1981-05-01|143907"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11241","name":"Fooks Sand & Gravel Inc"},"object":{"type":"mine","id":"1800685","name":"Hurlock Pit"},"validFrom":"1989-06-13","validTo":"1991-04-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|L11241|1989-06-13|1991-04-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08704","name":"Flaharty Lawrence"},"object":{"type":"mine","id":"1800685","name":"Hurlock Pit"},"validFrom":"1989-06-13","validTo":"1991-04-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|M08704|1989-06-13|1991-04-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08704","name":"Flaharty Lawrence"},"object":{"type":"operator","id":"L11241","name":"Fooks Sand & Gravel Inc"},"validFrom":"1989-06-13","validTo":"1991-04-21","current":false,"derived":true,"evidenceMineId":"1800685","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|L11241|1989-06-13|M08704|1989-06-13|143908"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L12141","name":"Eastern Shore Concrete & Building Products Inc"},"object":{"type":"mine","id":"1800685","name":"Hurlock Pit"},"validFrom":"1991-04-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|L12141|1991-04-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09335","name":"Duduk Fontaine Art & Walter Kennel"},"object":{"type":"mine","id":"1800685","name":"Hurlock Pit"},"validFrom":"1991-04-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|M09335|1991-04-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09335","name":"Duduk Fontaine Art & Walter Kennel"},"object":{"type":"operator","id":"L12141","name":"Eastern Shore Concrete & Building Products Inc"},"validFrom":"1991-04-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1800685","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800685|L12141|1991-04-22|M09335|1991-04-22|146139"}}],"coverage":{"historyRecords":3,"edgeCount":9,"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":"1995-04-27","lastDate":"1995-04-27","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":3,"firstDate":"1981-05-01","lastDate":"1991-04-22","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"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/1800685/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1800685/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":"1800685","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}