{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"3609868","name":"J & J Strips","status":"Abandoned","status_date":"2015-10-07","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Armstrong","nearest_town":"New Bethlehem","operator_id":"0112185","operator_name":"J & J Snyder Inc.","controller_id":"0094973","controller_name":"Janice  Snyder; H James  Snyder","district":"C03","office":"Indiana PA Field Office","employees":0,"latitude":40.971944,"longitude":-79.2675},"coverage":{"contributingSources":7,"registeredSources":20,"sourceRows":33},"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":"3609868","name":"J & J Strips"},"operator":{"type":"operator","id":"0112185","name":"J & J Snyder Inc."},"controller":{"type":"controller","id":"0094973","name":"Janice  Snyder; H James  Snyder"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0112185","name":"J & J Snyder Inc."},"object":{"type":"mine","id":"3609868","name":"J & J Strips"},"validFrom":"2010-08-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3609868|0112185|2010-08-10|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0094973","name":"Janice  Snyder et al"},"object":{"type":"mine","id":"3609868","name":"J & J Strips"},"validFrom":"2010-08-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3609868|0094973|2010-08-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0094973","name":"Janice  Snyder et al"},"object":{"type":"operator","id":"0112185","name":"J & J Snyder Inc."},"validFrom":"2010-08-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609868","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3609868|0112185|2010-08-10|0094973|2010-08-10|15655"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0094973","name":"H James  Snyder et al"},"object":{"type":"operator","id":"0112185","name":"J & J Snyder Inc."},"validFrom":"2010-08-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609868","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3609868|0112185|2010-08-10|0094973|2010-08-10|15656"}}],"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":"2015-10-07","lastDate":"2015-10-07","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":10,"firstDate":"2010-09-02","lastDate":"2013-05-14","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":1,"validSamples":9,"maxConcentration":0.126,"concentrationTotal":0.467},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1259194","CASS_NUM":"58129527","SMP_TAKEN_DT":"5/14/2013","CONC":".05","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"BACKHOE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-05-14"},{"SOURCE_ROW_NUMBER":"1535092","CASS_NUM":"58004721","SMP_TAKEN_DT":"1/3/2013","CONC":".023","SMP_TYPE_CD_DESC":"INVALID SAMPLE TYPE","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"INVALID SAMPLE TYPE","OCC_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2013-01-03"},{"SOURCE_ROW_NUMBER":"221317","CASS_NUM":"57873802","SMP_TAKEN_DT":"7/24/2012","CONC":".044","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"2012-07-24"},{"SOURCE_ROW_NUMBER":"893494","CASS_NUM":"57873987","SMP_TAKEN_DT":"3/14/2012","CONC":".034","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"BACKHOE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2012-03-14"},{"SOURCE_ROW_NUMBER":"1565146","CASS_NUM":"57876362","SMP_TAKEN_DT":"6/30/2011","CONC":".014","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"BACKHOE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-06-30"},{"SOURCE_ROW_NUMBER":"736872","CASS_NUM":"57876379","SMP_TAKEN_DT":"6/30/2011","CONC":".079","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2011-06-30"},{"SOURCE_ROW_NUMBER":"1009415","CASS_NUM":"57812717","SMP_TAKEN_DT":"1/12/2011","CONC":".041","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"2011-01-12"},{"SOURCE_ROW_NUMBER":"954693","CASS_NUM":"57812734","SMP_TAKEN_DT":"1/12/2011","CONC":".021","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"2011-01-12"},{"SOURCE_ROW_NUMBER":"1010717","CASS_NUM":"57792121","SMP_TAKEN_DT":"9/2/2010","CONC":".035","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"2010-09-02"},{"SOURCE_ROW_NUMBER":"277510","CASS_NUM":"57792091","SMP_TAKEN_DT":"9/2/2010","CONC":".126","SMP_TYPE_CD_DESC":"NONDESIGNATED 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":"BACKHOE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2010-09-02"}]},{"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":"2010-08-10","lastDate":"2010-08-10","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":9,"firstDate":"2010-09-02","lastDate":"2013-11-26","metrics":{"inspectors":9,"recentRows":0,"onSiteHours":89.5,"inspectionHours":138.75,"inspectionSamples":16},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"313579","EVENT_NO":"6230594","INSPECTION_BEGIN_DT":"11/26/2013","INSPECTION_END_DT":"11/26/2013","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2013-11-26"},{"SOURCE_ROW_NUMBER":"207579","EVENT_NO":"6231229","INSPECTION_BEGIN_DT":"05/01/2013","INSPECTION_END_DT":"05/15/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.5","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"946859","EVENT_NO":"6231208","INSPECTION_BEGIN_DT":"01/03/2013","INSPECTION_END_DT":"01/03/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"9.25","sourceDate":"2013-01-03"},{"SOURCE_ROW_NUMBER":"462090","EVENT_NO":"4043783","INSPECTION_BEGIN_DT":"07/10/2012","INSPECTION_END_DT":"07/30/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"28","SUM_TOTAL_ON_SITE_HOURS":"18.5","sourceDate":"2012-07-10"},{"SOURCE_ROW_NUMBER":"819309","EVENT_NO":"4043767","INSPECTION_BEGIN_DT":"03/14/2012","INSPECTION_END_DT":"03/15/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"10.25","sourceDate":"2012-03-14"},{"SOURCE_ROW_NUMBER":"975080","EVENT_NO":"6231014","INSPECTION_BEGIN_DT":"01/09/2012","INSPECTION_END_DT":"01/13/2012","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"3.25","sourceDate":"2012-01-09"},{"SOURCE_ROW_NUMBER":"1098347","EVENT_NO":"6230835","INSPECTION_BEGIN_DT":"06/30/2011","INSPECTION_END_DT":"07/05/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2011-06-30"},{"SOURCE_ROW_NUMBER":"1111305","EVENT_NO":"6230807","INSPECTION_BEGIN_DT":"01/11/2011","INSPECTION_END_DT":"01/18/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.5","SUM_TOTAL_ON_SITE_HOURS":"15.75","sourceDate":"2011-01-11"},{"SOURCE_ROW_NUMBER":"294181","EVENT_NO":"6230678","INSPECTION_BEGIN_DT":"09/02/2010","INSPECTION_END_DT":"09/07/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2010-09-02"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2010":{"hours":2151,"employees":2,"production":8260},"2011":{"hours":4736,"employees":2,"production":11706},"2012":{"hours":4041,"employees":2,"production":12162},"2013":{"hours":1835,"employees":1,"production":5239}},"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":6,"firstDate":"2010-09-02","lastDate":"2013-01-03","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":174,"pelDoseTotal":106},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"177187","EVENT_NO":"6231208","SURVEY_DATE":"01/03/2013","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"018","ACT_DOSE_85":"14","PEL_DOSE_90":"6","SURVEY_TYPE":"I","sourceDate":"2013-01-03"},{"SOURCE_ROW_NUMBER":"177182","EVENT_NO":"4043767","SURVEY_DATE":"03/14/2012","OCCUPATION_CD_DESC":"BACKHOE OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"063","ACT_DOSE_85":"4","PEL_DOSE_90":"0","SURVEY_TYPE":"I","sourceDate":"2012-03-14"},{"SOURCE_ROW_NUMBER":"177186","EVENT_NO":"6230807","SURVEY_DATE":"01/12/2011","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"63","PEL_DOSE_90":"52","SURVEY_TYPE":"I","sourceDate":"2011-01-12"},{"SOURCE_ROW_NUMBER":"177185","EVENT_NO":"6230807","SURVEY_DATE":"01/12/2011","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"59","PEL_DOSE_90":"37","SURVEY_TYPE":"I","sourceDate":"2011-01-12"},{"SOURCE_ROW_NUMBER":"177184","EVENT_NO":"6230678","SURVEY_DATE":"09/02/2010","OCCUPATION_CD_DESC":"BACKHOE OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"063","ACT_DOSE_85":"9","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2010-09-02"},{"SOURCE_ROW_NUMBER":"177183","EVENT_NO":"6230678","SURVEY_DATE":"09/02/2010","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"018","ACT_DOSE_85":"25","PEL_DOSE_90":"9","SURVEY_TYPE":"I","sourceDate":"2010-09-02"}]}],"safety":{"href":"/api/v1/mines/3609868/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3609868/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":"3609868","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}