{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4104519","name":"P C  #1","status":"Abandoned","status_date":"2007-09-14","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"TX","county":"Potter","nearest_town":"Amarillo","operator_id":"L10468","operator_name":"Texas Sand & Gravel, Inc.","controller_id":"0126061","controller_name":"Craig  Snell","district":"M5","office":"Carlsbad NM Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":34},"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":"4104519","name":"P C  #1"},"operator":{"type":"operator","id":"L10468","name":"Texas Sand & Gravel, Inc."},"controller":{"type":"controller","id":"0126061","name":"Craig  Snell"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08157","name":"Roy P  Eastland III"},"object":{"type":"mine","id":"4104519","name":"P C  #1"},"validFrom":"1950-01-01","validTo":"2016-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104519|M08157|1950-01-01|2016-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10468","name":"Texas Sand & Gravel, Inc."},"object":{"type":"mine","id":"4104519","name":"P C  #1"},"validFrom":"2005-01-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104519|L10468|2005-01-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08157","name":"Roy P  Eastland III"},"object":{"type":"operator","id":"L10468","name":"Texas Sand & Gravel, Inc."},"validFrom":"2005-01-27","validTo":"2016-05-31","current":false,"derived":true,"evidenceMineId":"4104519","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104519|L10468|2005-01-27|M08157|1950-01-01|142807"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0126061","name":"Craig  Snell"},"object":{"type":"mine","id":"4104519","name":"P C  #1"},"validFrom":"2016-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104519|0126061|2016-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0126061","name":"Craig  Snell"},"object":{"type":"operator","id":"L10468","name":"Texas Sand & Gravel, Inc."},"validFrom":"2016-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104519","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104519|L10468|2005-01-27|0126061|2016-06-01|24446"}}],"coverage":{"historyRecords":2,"edgeCount":5,"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":"2007-09-14","lastDate":"2007-09-14","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":5,"firstDate":"2005-04-20","lastDate":"2007-02-06","metrics":{"ss":0,"delinquent":5,"recentRows":0,"paidPenalty":300,"proposedPenalty":300,"currentAssessment":300},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"427835","VIOLATION_NO":"6246465","ISSUE_DT":"02/06/2007","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-02-06"},{"SOURCE_ROW_NUMBER":"408180","VIOLATION_NO":"6245377","ISSUE_DT":"04/20/2005","CFR_STANDARD_CD":"56.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-04-20"},{"SOURCE_ROW_NUMBER":"408179","VIOLATION_NO":"6245376","ISSUE_DT":"04/20/2005","CFR_STANDARD_CD":"56.20008(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-04-20"},{"SOURCE_ROW_NUMBER":"408178","VIOLATION_NO":"6245375","ISSUE_DT":"04/20/2005","CFR_STANDARD_CD":"56.16005","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-04-20"},{"SOURCE_ROW_NUMBER":"408177","VIOLATION_NO":"6245374","ISSUE_DT":"04/20/2005","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-04-20"}]},{"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":"2005-01-27","lastDate":"2005-01-27","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":6,"firstDate":"2005-04-20","lastDate":"2007-02-06","metrics":{"inspectors":6,"recentRows":0,"onSiteHours":13.5,"inspectionHours":39.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"872688","EVENT_NO":"1044214","INSPECTION_BEGIN_DT":"02/06/2007","INSPECTION_END_DT":"02/07/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2007-02-06"},{"SOURCE_ROW_NUMBER":"460801","EVENT_NO":"1046477","INSPECTION_BEGIN_DT":"08/23/2006","INSPECTION_END_DT":"08/23/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2006-08-23"},{"SOURCE_ROW_NUMBER":"769023","EVENT_NO":"1046406","INSPECTION_BEGIN_DT":"01/10/2006","INSPECTION_END_DT":"01/10/2006","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2006-01-10"},{"SOURCE_ROW_NUMBER":"1079458","EVENT_NO":"1032447","INSPECTION_BEGIN_DT":"06/28/2005","INSPECTION_END_DT":"06/28/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2005-06-28"},{"SOURCE_ROW_NUMBER":"268373","EVENT_NO":"1032426","INSPECTION_BEGIN_DT":"05/02/2005","INSPECTION_END_DT":"05/03/2005","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2005-05-02"},{"SOURCE_ROW_NUMBER":"363740","EVENT_NO":"1032246","INSPECTION_BEGIN_DT":"04/20/2005","INSPECTION_END_DT":"04/20/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2005-04-20"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":11,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007-Q3":{"hours":2261,"employees":3,"production":0},"2007-Q2":{"hours":0,"employees":0,"production":0},"2007-Q1":{"hours":0,"employees":0,"production":0},"2006-Q4":{"hours":170,"employees":1,"production":0},"2006-Q3":{"hours":0,"employees":0,"production":0},"2006-Q2":{"hours":0,"employees":0,"production":0},"2006-Q1":{"hours":0,"employees":0,"production":0},"2005-Q4":{"hours":0,"employees":0,"production":0},"2005-Q3":{"hours":0,"employees":0,"production":0},"2005-Q2":{"hours":2496,"employees":4,"production":0},"2005-Q1":{"hours":309,"employees":4,"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":{"2005":{"hours":2805,"employees":4,"production":0},"2006":{"hours":170,"employees":1,"production":0},"2007":{"hours":2261,"employees":3,"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":5,"firstDate":"2005-04-20","lastDate":"2007-02-06","metrics":{"ss":0,"amountDue":300,"contested":0,"amountPaid":300,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":300},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2171616","VIOLATION_NO":"6246465","VIOLATION_ISSUE_DT":"02/06/2007","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/06/2007","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2007-02-06"},{"SOURCE_ROW_NUMBER":"2171620","VIOLATION_NO":"6245377","VIOLATION_ISSUE_DT":"04/20/2005","SIG_SUB":"N","PART_SECTION":"56.15001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/03/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-04-20"},{"SOURCE_ROW_NUMBER":"2171619","VIOLATION_NO":"6245376","VIOLATION_ISSUE_DT":"04/20/2005","SIG_SUB":"N","PART_SECTION":"56.20008(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/20/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-04-20"},{"SOURCE_ROW_NUMBER":"2171618","VIOLATION_NO":"6245375","VIOLATION_ISSUE_DT":"04/20/2005","SIG_SUB":"N","PART_SECTION":"56.16005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/20/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-04-20"},{"SOURCE_ROW_NUMBER":"2171617","VIOLATION_NO":"6245374","VIOLATION_ISSUE_DT":"04/20/2005","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/20/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-04-20"}]}],"safety":{"href":"/api/v1/mines/4104519/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4104519/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":1},{"chapter":"I","heading":"First-aid materials.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001","part":"56","subchapter":"K","subpart":"N","id":"56.15001","citation":"30 CFR 56.15001","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},{"chapter":"I","heading":"Toilet facilities.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20008","part":"56","subchapter":"K","subpart":"S","id":"56.20008","citation":"30 CFR 56.20008","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},{"chapter":"I","heading":"Securing gas cylinders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005","part":"56","subchapter":"K","subpart":"O","id":"56.16005","citation":"30 CFR 56.16005","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},{"chapter":"I","heading":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","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":"4104519","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}