{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3609082","name":"Berguson","status":"Abandoned","status_date":"2005-05-24","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Tioga","nearest_town":"Arnot","operator_id":"0050385","operator_name":"Signor Brothers Contracting","controller_id":"0040769","controller_name":"Edward J  Signor; Robert A  Signor","district":"M2","office":"Warrendale District","employees":0,"latitude":41.505555,"longitude":-77.125},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":55},"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":"3609082","name":"Berguson"},"operator":{"type":"operator","id":"0050385","name":"Signor Brothers Contracting"},"controller":{"type":"controller","id":"0040769","name":"Edward J  Signor; Robert A  Signor"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050385","name":"Signor Brothers Contracting"},"object":{"type":"mine","id":"3609082","name":"Berguson"},"validFrom":"2002-05-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609082|0050385|2002-05-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0040769","name":"Edward J  Signor et al"},"object":{"type":"mine","id":"3609082","name":"Berguson"},"validFrom":"2002-05-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609082|0040769|2002-05-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040769","name":"Edward J  Signor et al"},"object":{"type":"operator","id":"0050385","name":"Signor Brothers Contracting"},"validFrom":"2002-05-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609082","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609082|0050385|2002-05-06|0040769|2002-05-06|628"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0040769","name":"Robert A  Signor et al"},"object":{"type":"operator","id":"0050385","name":"Signor Brothers Contracting"},"validFrom":"2002-05-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609082","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609082|0050385|2002-05-06|0040769|2002-05-06|629"}}],"coverage":{"historyRecords":2,"edgeCount":4,"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":"2005-05-24","lastDate":"2005-05-24","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":2,"firstDate":"2002-05-06","lastDate":"2002-05-06","metrics":{"ss":0,"delinquent":2,"recentRows":0,"paidPenalty":121,"proposedPenalty":121,"currentAssessment":121},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1587025","VIOLATION_NO":"4178594","ISSUE_DT":"05/06/2002","CFR_STANDARD_CD":"41.10","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-05-06"},{"SOURCE_ROW_NUMBER":"1587024","VIOLATION_NO":"4178593","ISSUE_DT":"05/06/2002","CFR_STANDARD_CD":"48.28(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"66.00","CURRENT_ASSESSMENT_AMT":"66.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-05-06"}]},{"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":"2002-05-06","lastDate":"2002-05-06","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":14,"firstDate":"2002-05-06","lastDate":"2005-05-23","metrics":{"inspectors":14,"recentRows":0,"onSiteHours":41.25,"inspectionHours":138.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"663697","EVENT_NO":"4039445","INSPECTION_BEGIN_DT":"05/23/2005","INSPECTION_END_DT":"05/23/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2005-05-23"},{"SOURCE_ROW_NUMBER":"319210","EVENT_NO":"4039433","INSPECTION_BEGIN_DT":"03/21/2005","INSPECTION_END_DT":"03/21/2005","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2005-03-21"},{"SOURCE_ROW_NUMBER":"705630","EVENT_NO":"4039518","INSPECTION_BEGIN_DT":"01/10/2005","INSPECTION_END_DT":"01/10/2005","ACTIVITY_CODE":"CFA","ACTIVITY":"MINE IDLE","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2005-01-10"},{"SOURCE_ROW_NUMBER":"1158302","EVENT_NO":"4039312","INSPECTION_BEGIN_DT":"09/14/2004","INSPECTION_END_DT":"09/14/2004","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2004-09-14"},{"SOURCE_ROW_NUMBER":"753911","EVENT_NO":"4039313","INSPECTION_BEGIN_DT":"09/14/2004","INSPECTION_END_DT":"09/14/2004","ACTIVITY_CODE":"CED","ACTIVITY":"RESP DUST TECHNICAL INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".5","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2004-09-14"},{"SOURCE_ROW_NUMBER":"725965","EVENT_NO":"4038861","INSPECTION_BEGIN_DT":"03/08/2004","INSPECTION_END_DT":"03/08/2004","ACTIVITY_CODE":"CED","ACTIVITY":"RESP DUST TECHNICAL INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2004-03-08"},{"SOURCE_ROW_NUMBER":"470342","EVENT_NO":"4038860","INSPECTION_BEGIN_DT":"03/08/2004","INSPECTION_END_DT":"03/08/2004","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2004-03-08"},{"SOURCE_ROW_NUMBER":"1131150","EVENT_NO":"4038551","INSPECTION_BEGIN_DT":"08/28/2003","INSPECTION_END_DT":"08/28/2003","ACTIVITY_CODE":"CFA","ACTIVITY":"MINE IDLE","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.25","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2003-08-28"},{"SOURCE_ROW_NUMBER":"444179","EVENT_NO":"4038379","INSPECTION_BEGIN_DT":"07/09/2003","INSPECTION_END_DT":"09/30/2003","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.75","SUM_TOTAL_ON_SITE_HOURS":"7.75","sourceDate":"2003-07-09"},{"SOURCE_ROW_NUMBER":"24486","EVENT_NO":"4049966","INSPECTION_BEGIN_DT":"04/21/2003","INSPECTION_END_DT":"04/21/2003","ACTIVITY_CODE":"CFA","ACTIVITY":"MINE IDLE","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2003-04-21"},{"SOURCE_ROW_NUMBER":"206582","EVENT_NO":"4049795","INSPECTION_BEGIN_DT":"10/15/2002","INSPECTION_END_DT":"03/24/2003","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2002-10-15"},{"SOURCE_ROW_NUMBER":"931516","EVENT_NO":"5544003","INSPECTION_BEGIN_DT":"06/05/2002","INSPECTION_END_DT":"07/03/2002","ACTIVITY_CODE":"BAF","ACTIVITY":"RESP DUST TECH INSP - SURFACE MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2002-06-05"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":23,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005-Q2":{"hours":16,"employees":2,"production":0},"2005-Q1":{"hours":1,"employees":1,"production":0},"2004-Q4":{"hours":8,"employees":2,"production":633},"2004-Q3":{"hours":30,"employees":2,"production":0},"2004-Q2":{"hours":11,"employees":2,"production":0},"2004-Q1":{"hours":54,"employees":2,"production":0},"2003-Q4":{"hours":55,"employees":2,"production":0},"2003-Q3":{"hours":36,"employees":2,"production":0},"2003-Q2":{"hours":15,"employees":2,"production":0},"2003-Q1":{"hours":8,"employees":2,"production":0},"2002-Q4":{"hours":4,"employees":1,"production":0},"2002-Q3":{"hours":24,"employees":3,"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":7,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002":{"hours":44,"employees":2,"production":0},"2003":{"hours":114,"employees":2,"production":0},"2004":{"hours":103,"employees":2,"production":633},"2005":{"hours":17,"employees":2,"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":3,"firstDate":"2002-06-05","lastDate":"2002-06-05","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":89,"pelDoseTotal":18},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"167689","EVENT_NO":"5544002","SURVEY_DATE":"06/05/2002","OCCUPATION_CD_DESC":"BACKHOE OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"018","ACT_DOSE_85":"42","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2002-06-05"},{"SOURCE_ROW_NUMBER":"167688","EVENT_NO":"5544002","SURVEY_DATE":"06/05/2002","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"055","ACT_DOSE_85":"38","PEL_DOSE_90":"8","SURVEY_TYPE":"I","sourceDate":"2002-06-05"},{"SOURCE_ROW_NUMBER":"167687","EVENT_NO":"5544002","SURVEY_DATE":"06/05/2002","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"9","PEL_DOSE_90":"5","SURVEY_TYPE":"I","sourceDate":"2002-06-05"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":2,"firstDate":"2002-05-06","lastDate":"2002-05-06","metrics":{"ss":0,"amountDue":121,"contested":0,"amountPaid":121,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":121},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1969378","VIOLATION_NO":"4178594","VIOLATION_ISSUE_DT":"05/06/2002","SIG_SUB":"N","PART_SECTION":"41.10","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/10/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-05-06"},{"SOURCE_ROW_NUMBER":"1969377","VIOLATION_NO":"4178593","VIOLATION_ISSUE_DT":"05/06/2002","SIG_SUB":"N","PART_SECTION":"48.28(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/29/2002","PROPOSED_PENALTY":"66","AMOUNT_DUE":"66","AMOUNT_PAID":"66","CONTESTED_IND":"N","sourceDate":"2002-05-06"}]}],"safety":{"href":"/api/v1/mines/3609082/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3609082/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":"Scope.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.10","part":"41","subchapter":"G","subpart":"B","id":"41.10","citation":"30 CFR 41.10","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},{"chapter":"I","heading":"Annual refresher training of miners; minimum courses of instruction; hours of instruction.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.28","part":"48","subchapter":"H","subpart":"B","id":"48.28","citation":"30 CFR 48.28","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3609082","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}