{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"3500324","name":"TUMALO MINE","status":"Abandoned","status_date":"2002-02-12","mine_type":"Surface","coal_metal":"M","commodity":"Pumice","state":"OR","county":"Deschutes","nearest_town":"","operator_id":"L13890","operator_name":"Cascade Pumice Inc","controller_id":"M10613","controller_name":"Richard  Pearsall","district":"M7","office":"Albany OR Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":28},"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":"3500324","name":"TUMALO MINE"},"operator":{"type":"operator","id":"L13890","name":"Cascade Pumice Inc"},"controller":{"type":"controller","id":"M10613","name":"Richard  Pearsall"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10072","name":"Cascade Pumice Company"},"object":{"type":"mine","id":"3500324","name":"TUMALO MINE"},"validFrom":"1950-01-01","validTo":"1985-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|L10072|1950-01-01|1985-05-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01704","name":"Graystone Corp"},"object":{"type":"mine","id":"3500324","name":"TUMALO MINE"},"validFrom":"1950-01-01","validTo":"1985-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|M01704|1950-01-01|1985-05-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01704","name":"Graystone Corp"},"object":{"type":"operator","id":"L10072","name":"Cascade Pumice Company"},"validFrom":"1950-01-01","validTo":"1985-05-14","current":false,"derived":true,"evidenceMineId":"3500324","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|L10072|1950-01-01|M01704|1950-01-01|120480"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07985","name":"Cascade Pumice Inc"},"object":{"type":"mine","id":"3500324","name":"TUMALO MINE"},"validFrom":"1985-05-15","validTo":"1994-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|L07985|1985-05-15|1994-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01125","name":"Harbor Resources"},"object":{"type":"mine","id":"3500324","name":"TUMALO MINE"},"validFrom":"1985-05-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|M01125|1985-05-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01125","name":"Harbor Resources"},"object":{"type":"operator","id":"L07985","name":"Cascade Pumice Inc"},"validFrom":"1985-05-15","validTo":"1994-09-30","current":false,"derived":true,"evidenceMineId":"3500324","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|L07985|1985-05-15|M01125|1985-05-15|116958"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13890","name":"Cascade Pumice Inc"},"object":{"type":"mine","id":"3500324","name":"TUMALO MINE"},"validFrom":"1994-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|L13890|1994-10-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10613","name":"Richard  Pearsall"},"object":{"type":"mine","id":"3500324","name":"TUMALO MINE"},"validFrom":"1994-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|M10613|1994-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10613","name":"Richard  Pearsall"},"object":{"type":"operator","id":"L13890","name":"Cascade Pumice Inc"},"validFrom":"1994-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3500324","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3500324|L13890|1994-10-01|M10613|1994-10-01|149623"}}],"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":"2002-02-12","lastDate":"2002-02-12","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":3,"firstDate":"2000-03-08","lastDate":"2002-02-05","metrics":{"ss":0,"delinquent":3,"recentRows":0,"paidPenalty":165,"proposedPenalty":165,"currentAssessment":165},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"64241","VIOLATION_NO":"7994993","ISSUE_DT":"02/05/2002","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-02-05"},{"SOURCE_ROW_NUMBER":"64240","VIOLATION_NO":"7994992","ISSUE_DT":"02/05/2002","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-02-05"},{"SOURCE_ROW_NUMBER":"59787","VIOLATION_NO":"7978248","ISSUE_DT":"03/08/2000","CFR_STANDARD_CD":"56.14130(h)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-03-08"}]},{"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":"1950-01-01","lastDate":"1994-10-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":5,"firstDate":"2000-03-08","lastDate":"2002-02-05","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":21,"inspectionHours":45,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1128389","EVENT_NO":"0695195","INSPECTION_BEGIN_DT":"02/05/2002","INSPECTION_END_DT":"02/06/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2002-02-05"},{"SOURCE_ROW_NUMBER":"705567","EVENT_NO":"0695120","INSPECTION_BEGIN_DT":"08/08/2001","INSPECTION_END_DT":"08/08/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-08-08"},{"SOURCE_ROW_NUMBER":"1082617","EVENT_NO":"0695078","INSPECTION_BEGIN_DT":"04/10/2001","INSPECTION_END_DT":"04/11/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2001-04-10"},{"SOURCE_ROW_NUMBER":"315476","EVENT_NO":"0691966","INSPECTION_BEGIN_DT":"03/14/2000","INSPECTION_END_DT":"03/14/2000","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2000-03-14"},{"SOURCE_ROW_NUMBER":"679646","EVENT_NO":"0691965","INSPECTION_BEGIN_DT":"03/08/2000","INSPECTION_END_DT":"03/09/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25","SUM_TOTAL_ON_SITE_HOURS":"15","sourceDate":"2000-03-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":9,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q1":{"hours":4304,"employees":9,"production":0},"2001-Q4":{"hours":5442,"employees":9,"production":0},"2001-Q3":{"hours":5200,"employees":9,"production":0},"2001-Q2":{"hours":5415,"employees":9,"production":0},"2001-Q1":{"hours":5220,"employees":9,"production":0},"2000-Q4":{"hours":4327,"employees":9,"production":0},"2000-Q3":{"hours":5859,"employees":9,"production":0},"2000-Q2":{"hours":5832,"employees":9,"production":0},"2000-Q1":{"hours":4511,"employees":8,"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":{"2000":{"hours":20529,"employees":9,"production":0},"2001":{"hours":21277,"employees":9,"production":0},"2002":{"hours":4304,"employees":9,"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":3,"firstDate":"2000-03-08","lastDate":"2002-02-05","metrics":{"ss":0,"amountDue":165,"contested":0,"amountPaid":165,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":165},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1810809","VIOLATION_NO":"7994993","VIOLATION_ISSUE_DT":"02/05/2002","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/06/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-02-05"},{"SOURCE_ROW_NUMBER":"1810808","VIOLATION_NO":"7994992","VIOLATION_ISSUE_DT":"02/05/2002","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/06/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-02-05"},{"SOURCE_ROW_NUMBER":"1810810","VIOLATION_NO":"7978248","VIOLATION_ISSUE_DT":"03/08/2000","SIG_SUB":"N","PART_SECTION":"56.14130(h)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/14/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-03-08"}]}],"safety":{"href":"/api/v1/mines/3500324/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3500324/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":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","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":2},{"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3500324","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}