{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"3608703","name":"Lykens Valley Strip","status":"Abandoned","status_date":"2017-03-27","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Anthracite)","state":"PA","county":"Schuylkill","nearest_town":"Joliett","operator_id":"P23307","operator_name":"R S K Mines","controller_id":"C15345","controller_name":"Robin S  Kimmel","district":"M2","office":"Frackville PA Field Office","employees":0,"latitude":40.619444,"longitude":-76.491111},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":45},"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":"3608703","name":"Lykens Valley Strip"},"operator":{"type":"operator","id":"P23307","name":"R S K Mines"},"controller":{"type":"controller","id":"C15345","name":"Robin S  Kimmel"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15345","name":"Robin S  Kimmel"},"object":{"type":"mine","id":"3608703","name":"Lykens Valley Strip"},"validFrom":"1995-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608703|C15345|1995-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23307","name":"Rsk Mines"},"object":{"type":"mine","id":"3608703","name":"Lykens Valley Strip"},"validFrom":"1997-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608703|P23307|1997-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15345","name":"Robin S  Kimmel"},"object":{"type":"operator","id":"P23307","name":"Rsk Mines"},"validFrom":"1997-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608703","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3608703|P23307|1997-11-01|C15345|1995-11-01|95404"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":"2017-03-27","lastDate":"2017-03-27","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1,"firstDate":"2000-02-10","lastDate":"2000-02-10","metrics":{"ss":0,"delinquent":1,"recentRows":0,"paidPenalty":55,"proposedPenalty":55,"currentAssessment":55},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"654048","VIOLATION_NO":"7002375","ISSUE_DT":"02/10/2000","CFR_STANDARD_CD":"77.1705","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-02-10"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":3,"firstDate":"2000-12-18","lastDate":"2004-09-25","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":0,"validSamples":3,"maxConcentration":0.31,"concentrationTotal":0.535},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"902257","CASS_NUM":"57462025","SMP_TAKEN_DT":"9/25/2004","CONC":".092","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":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2004-09-25"},{"SOURCE_ROW_NUMBER":"1189550","CASS_NUM":"57387974","SMP_TAKEN_DT":"6/20/2002","CONC":".31","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":"SCALPER-SCREEN OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2002-06-20"},{"SOURCE_ROW_NUMBER":"458909","CASS_NUM":"57290992","SMP_TAKEN_DT":"12/18/2000","CONC":".133","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":"CRANE OPER/DRAGLINE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2000-12-18"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"1997-11-01","lastDate":"1997-11-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":21,"firstDate":"2000-02-09","lastDate":"2017-03-27","metrics":{"inspectors":22,"recentRows":0,"onSiteHours":84,"inspectionHours":165,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"889015","EVENT_NO":"4310847","INSPECTION_BEGIN_DT":"03/27/2017","INSPECTION_END_DT":"03/27/2017","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2017-03-27"},{"SOURCE_ROW_NUMBER":"918393","EVENT_NO":"4305245","INSPECTION_BEGIN_DT":"09/25/2009","INSPECTION_END_DT":"09/30/2009","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2009-09-25"},{"SOURCE_ROW_NUMBER":"209862","EVENT_NO":"4305210","INSPECTION_BEGIN_DT":"03/24/2009","INSPECTION_END_DT":"03/31/2009","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2009-03-24"},{"SOURCE_ROW_NUMBER":"767409","EVENT_NO":"4302016","INSPECTION_BEGIN_DT":"03/25/2005","INSPECTION_END_DT":"03/25/2005","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2005-03-25"},{"SOURCE_ROW_NUMBER":"900235","EVENT_NO":"4300828","INSPECTION_BEGIN_DT":"09/24/2004","INSPECTION_END_DT":"09/27/2004","ACTIVITY_CODE":"BBB","ACTIVITY":"NOISE TECHNICAL INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2004-09-24"},{"SOURCE_ROW_NUMBER":"232928","EVENT_NO":"4300826","INSPECTION_BEGIN_DT":"09/24/2004","INSPECTION_END_DT":"09/27/2004","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2004-09-24"},{"SOURCE_ROW_NUMBER":"17011","EVENT_NO":"4300827","INSPECTION_BEGIN_DT":"09/24/2004","INSPECTION_END_DT":"10/01/2004","ACTIVITY_CODE":"BAF","ACTIVITY":"RESP DUST TECH INSP - SURFACE MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2004-09-24"},{"SOURCE_ROW_NUMBER":"1098998","EVENT_NO":"4008841","INSPECTION_BEGIN_DT":"10/30/2002","INSPECTION_END_DT":"10/30/2002","ACTIVITY_CODE":"CFA","ACTIVITY":"MINE IDLE","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2002-10-30"},{"SOURCE_ROW_NUMBER":"419663","EVENT_NO":"4007488","INSPECTION_BEGIN_DT":"06/19/2002","INSPECTION_END_DT":"07/01/2002","ACTIVITY_CODE":"BAF","ACTIVITY":"RESP DUST TECH INSP - SURFACE MINES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2002-06-19"},{"SOURCE_ROW_NUMBER":"984137","EVENT_NO":"4007487","INSPECTION_BEGIN_DT":"06/16/2002","INSPECTION_END_DT":"06/21/2002","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"23.5","SUM_TOTAL_ON_SITE_HOURS":"12.5","sourceDate":"2002-06-16"},{"SOURCE_ROW_NUMBER":"739024","EVENT_NO":"4007267","INSPECTION_BEGIN_DT":"03/06/2002","INSPECTION_END_DT":"03/11/2002","ACTIVITY_CODE":"AAA","ACTIVITY":"Regular Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2002-03-06"},{"SOURCE_ROW_NUMBER":"471506","EVENT_NO":"4005888","INSPECTION_BEGIN_DT":"10/23/2001","INSPECTION_END_DT":"11/01/2001","ACTIVITY_CODE":"BBB","ACTIVITY":"NOISE TECHNICAL INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2001-10-23"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":10,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q4":{"hours":300,"employees":1,"production":681},"2002-Q3":{"hours":300,"employees":1,"production":653},"2002-Q2":{"hours":450,"employees":1,"production":641},"2002-Q1":{"hours":1150,"employees":2,"production":1726},"2001-Q4":{"hours":700,"employees":1,"production":3024},"2001-Q3":{"hours":0,"employees":0,"production":0},"2001-Q2":{"hours":0,"employees":0,"production":0},"2001-Q1":{"hours":0,"employees":0,"production":0},"2000-Q4":{"hours":100,"employees":1,"production":97},"2000-Q1":{"hours":540,"employees":1,"production":380}},"recentRecords":[]},{"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":{"2000":{"hours":640,"employees":1,"production":477},"2001":{"hours":700,"employees":1,"production":3024},"2002":{"hours":2200,"employees":1,"production":3701},"2004":{"hours":340,"employees":1,"production":570}},"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":2,"firstDate":"2001-10-23","lastDate":"2004-09-25","metrics":{"recentRows":0,"doseOver100":0,"actDoseTotal":153,"pelDoseTotal":137},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"162575","EVENT_NO":"4300828","SURVEY_DATE":"09/25/2004","OCCUPATION_CD_DESC":"BACKHOE OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"119","ACT_DOSE_85":"78","PEL_DOSE_90":"75","SURVEY_TYPE":"I","sourceDate":"2004-09-25"},{"SOURCE_ROW_NUMBER":"162574","EVENT_NO":"4005888","SURVEY_DATE":"10/23/2001","OCCUPATION_CD_DESC":"CRANE OPER/DRAGLINE OPERATOR","MACHINE_CD":"12","MANUFACTURER_CD":"051","ACT_DOSE_85":"75","PEL_DOSE_90":"62","SURVEY_TYPE":"I","sourceDate":"2001-10-23"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1,"firstDate":"2000-02-10","lastDate":"2000-02-10","metrics":{"ss":0,"amountDue":55,"contested":0,"amountPaid":55,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":55},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1952023","VIOLATION_NO":"7002375","VIOLATION_ISSUE_DT":"02/10/2000","SIG_SUB":"N","PART_SECTION":"77.1705","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/13/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-02-10"}]}],"safety":{"href":"/api/v1/mines/3608703/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3608703/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":"First aid training program; retraining of supervisory employees; availability to all miners.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1705","part":"77","subchapter":"O","subpart":"R","id":"77.1705","citation":"30 CFR 77.1705","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3608703","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}