{"entity":{"kind":"mine","id":"2501300","name":"Fort Calhoun Underground Mine"},"window":{"period":"latest-8","label":"2025-01-01 – 2026-10-18","start":"2025-01-01","end":"2026-10-18","quarters":["2025-Q1","2025-Q2","2025-Q3","2025-Q4","2026-Q1","2026-Q2","2026-Q3","2026-Q4"],"options":[{"value":"latest-8","label":"Last 8 quarters · through snapshot"},{"value":"latest-4","label":"Last 4 quarters · through snapshot"},{"value":"3y","label":"Last 12 quarters"},{"value":"4y","label":"Last 16 quarters"},{"value":"5y","label":"Last 20 quarters"},{"value":"10y","label":"Last 40 quarters"},{"value":"all","label":"All available years · since 1994"},{"value":"2026","label":"2026"},{"value":"2025","label":"2025"},{"value":"2024","label":"2024"},{"value":"2023","label":"2023"},{"value":"2022","label":"2022"},{"value":"2021","label":"2021"},{"value":"2020","label":"2020"},{"value":"2019","label":"2019"},{"value":"2018","label":"2018"},{"value":"2017","label":"2017"},{"value":"2016","label":"2016"},{"value":"2015","label":"2015"},{"value":"2014","label":"2014"},{"value":"2013","label":"2013"},{"value":"2012","label":"2012"},{"value":"2011","label":"2011"},{"value":"2010","label":"2010"},{"value":"2009","label":"2009"},{"value":"2008","label":"2008"},{"value":"2007","label":"2007"},{"value":"2006","label":"2006"},{"value":"2005","label":"2005"},{"value":"2004","label":"2004"},{"value":"2003","label":"2003"},{"value":"2002","label":"2002"},{"value":"2001","label":"2001"},{"value":"2000","label":"2000"},{"value":"1999","label":"1999"},{"value":"1998","label":"1998"},{"value":"1997","label":"1997"},{"value":"1996","label":"1996"},{"value":"1995","label":"1995"},{"value":"1994","label":"1994"}]},"summary":{"accidents":4,"fatalities":0,"violations":37,"inspections":8,"significant":2,"penaltyRecords":37,"inspectionHours":378,"proposedPenalty":14179,"inspectionHoursRecords":8},"mines":[{"mineId":"2501300","accidents":4,"fatalities":0,"violations":37,"inspections":8,"significant":2,"penaltyRecords":37,"inspectionHours":378,"proposedPenalty":14179,"inspectionHoursRecords":8}],"topSections":[{"count":2,"section":"57.11058","significant":0},{"count":2,"section":"57.14100","significant":0},{"count":2,"section":"57.14101","significant":0},{"count":2,"section":"57.14112","significant":0},{"count":2,"section":"57.18002","significant":0},{"count":2,"section":"57.20032","significant":0},{"count":1,"section":"47.44","significant":0},{"count":1,"section":"48.31","significant":0},{"count":1,"section":"48.6","significant":0},{"count":1,"section":"56.4200","significant":0}],"quarters":[{"violations":6,"significant":0,"proposedPenalty":6841,"penaltyRecords":6,"accidents":1,"fatalities":0,"inspections":1,"inspectionHours":78.25,"inspectionHoursRecords":1,"quarter":"2025-Q1","partial":false},{"violations":7,"significant":0,"proposedPenalty":1849,"penaltyRecords":7,"accidents":0,"fatalities":0,"inspections":1,"inspectionHours":93.25,"inspectionHoursRecords":1,"quarter":"2025-Q2","partial":false},{"violations":4,"significant":1,"proposedPenalty":1783,"penaltyRecords":4,"accidents":2,"fatalities":0,"inspections":1,"inspectionHours":48.25,"inspectionHoursRecords":1,"quarter":"2025-Q3","partial":false},{"violations":5,"significant":0,"proposedPenalty":755,"penaltyRecords":5,"accidents":0,"fatalities":0,"inspections":2,"inspectionHours":54.25,"inspectionHoursRecords":2,"quarter":"2025-Q4","partial":false},{"violations":4,"significant":0,"proposedPenalty":755,"penaltyRecords":4,"accidents":0,"fatalities":0,"inspections":1,"inspectionHours":35.25,"inspectionHoursRecords":1,"quarter":"2026-Q1","partial":false},{"violations":5,"significant":0,"proposedPenalty":755,"penaltyRecords":5,"accidents":1,"fatalities":0,"inspections":1,"inspectionHours":33.5,"inspectionHoursRecords":1,"quarter":"2026-Q2","partial":false},{"violations":6,"significant":1,"proposedPenalty":1441,"penaltyRecords":6,"accidents":0,"fatalities":0,"inspections":1,"inspectionHours":35.25,"inspectionHoursRecords":1,"quarter":"2026-Q3","partial":false},{"violations":0,"significant":0,"proposedPenalty":null,"penaltyRecords":0,"accidents":0,"fatalities":0,"inspections":0,"inspectionHours":null,"inspectionHoursRecords":0,"quarter":"2026-Q4","partial":true}],"activity":{"data":[{"id":"5270005","key":"violation:1499387","date":"2026-07-07","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.9313","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5270004","key":"violation:1499386","date":"2026-07-07","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.14100(c)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5270003","key":"violation:1499385","date":"2026-07-06","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.11058","significant":false,"inspectionHours":null,"proposedPenalty":288},{"id":"5270002","key":"violation:1499384","date":"2026-07-06","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.3200","significant":true,"inspectionHours":null,"proposedPenalty":549},{"id":"5270001","key":"violation:1499383","date":"2026-07-06","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.18002(b)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5114000","key":"violation:1499382","date":"2026-07-06","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.8527","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"F0402D3","key":"inspection:757178","date":"2026-07-05","kind":"inspection","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"Regular Safety and Health Inspection","significant":false,"inspectionHours":35.25,"proposedPenalty":null},{"id":"5113975","key":"violation:1499341","date":"2026-05-21","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.9300(b)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113974","key":"violation:1499340","date":"2026-05-21","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.20032","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113973","key":"violation:1499339","date":"2026-05-21","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"47.44(b)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113972","key":"violation:1499338","date":"2026-05-20","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.14110","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113971","key":"violation:1499337","date":"2026-05-20","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.8531(c)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"220262010009","key":"accident:117978","date":"2026-05-19","kind":"accident","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":"Employee attempted to move a drill steel and felt a pop in the left elbow. Was not reported until one week later. Injury became reportable when surgery was performed on 07/08/2026","description":"HANDLING OF MATERIALS · DAYS RESTRICTED ACTIVITY ONLY","significant":false,"inspectionHours":null,"proposedPenalty":null},{"id":"F0402BF","key":"inspection:734556","date":"2026-05-18","kind":"inspection","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"Regular Safety and Health Inspection","significant":false,"inspectionHours":33.5,"proposedPenalty":null},{"id":"5113914","key":"violation:1499288","date":"2026-01-22","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.14100(d)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113913","key":"violation:1499287","date":"2026-01-22","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.4501","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113912","key":"violation:1499286","date":"2026-01-22","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.11051(b)","significant":false,"inspectionHours":null,"proposedPenalty":288},{"id":"5113911","key":"violation:1499285","date":"2026-01-21","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.12028","significant":false,"inspectionHours":null,"proposedPenalty":165},{"id":"F02E644","key":"inspection:126256","date":"2026-01-19","kind":"inspection","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"Regular Safety and Health Inspection","significant":false,"inspectionHours":35.25,"proposedPenalty":null},{"id":"F02E633","key":"inspection:629572","date":"2025-11-13","kind":"inspection","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"Verbal Hazard Complaint Inspections","significant":false,"inspectionHours":4,"proposedPenalty":null},{"id":"5113869","key":"violation:1499444","date":"2025-11-04","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.14112(b)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113868","key":"violation:1499443","date":"2025-11-04","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.12018","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113867","key":"violation:1499442","date":"2025-11-04","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.4011","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113866","key":"violation:1499441","date":"2025-10-29","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.4460(a)(1)","significant":false,"inspectionHours":null,"proposedPenalty":151},{"id":"5113865","key":"violation:1499440","date":"2025-10-28","kind":"violation","mineId":"2501300","mineName":"Fort Calhoun Underground Mine","narrative":null,"description":"57.14101(a)(2)","significant":false,"inspectionHours":null,"proposedPenalty":151}],"kind":"all","page":1,"pageSize":25,"total":49,"totalPages":2},"meta":{"dataSource":"postgres","snapshotAt":"2026-10-18T09:31:49.615Z","scope":"mine","memberCount":1,"mineStatus":"all","sourceDatasetIds":["msha-violations","msha-accidents","msha-inspections"],"dateFields":{"violations":"VIOLATION_ISSUE_DT","accidents":"ACCIDENT_DT","inspections":"INSPECTION_BEGIN_DT"},"notes":["Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.","Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.","S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.","Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.","Portfolio totals use current mine membership, including events before the current owner or operator's tenure."]}}