{"entity":{"kind":"operator","id":"0141655","name":"Rockwell Mining LLC"},"query":{"period":"latest-8","status":"all"},"data":[{"quarter":"2025-Q1","production":460149,"hours":264805,"employees":422,"productivity":1.7376899983006364,"reportedMineCount":17,"includedMineCount":18,"coverage":"partial","incompleteQuarter":false},{"quarter":"2025-Q2","production":479572,"hours":250165,"employees":413,"productivity":1.9170227649751164,"reportedMineCount":16,"includedMineCount":18,"coverage":"partial","incompleteQuarter":false},{"quarter":"2025-Q3","production":543997,"hours":258022,"employees":420,"productivity":2.1083357233104154,"reportedMineCount":15,"includedMineCount":18,"coverage":"partial","incompleteQuarter":false},{"quarter":"2025-Q4","production":481454,"hours":238322,"employees":399,"productivity":2.0201827779223067,"reportedMineCount":14,"includedMineCount":18,"coverage":"partial","incompleteQuarter":false},{"quarter":"2026-Q1","production":476283,"hours":231501,"employees":363,"productivity":2.0573690826389517,"reportedMineCount":16,"includedMineCount":18,"coverage":"partial","incompleteQuarter":false},{"quarter":"2026-Q2","production":476598,"hours":226646,"employees":366,"productivity":2.102829963908474,"reportedMineCount":16,"includedMineCount":18,"coverage":"partial","incompleteQuarter":false},{"quarter":"2026-Q3","production":null,"hours":null,"employees":null,"productivity":null,"reportedMineCount":0,"includedMineCount":18,"coverage":"missing","incompleteQuarter":false},{"quarter":"2026-Q4","production":null,"hours":null,"employees":null,"productivity":null,"reportedMineCount":0,"includedMineCount":18,"coverage":"missing","incompleteQuarter":true}],"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":{"production":2918053,"hours":1469461,"productivity":1.9857981940316891,"productivityQuarters":["2025-Q1","2025-Q2","2025-Q3","2025-Q4","2026-Q1","2026-Q2"],"reportedQuarters":6},"meta":{"dataSource":"postgres","snapshotAt":"2026-10-18T09:31:49.615Z","sourceDatasetId":"msha-mine-production-quarterly","totalMineCount":32,"includedMineCount":18,"includedMineIds":["1518819","1518978","4603135","4603136","4605295","4606448","4606618","4608610","4609086","4609152","4609377","4609427","4609471","4609588","4609635","4609660","4609663","4609679"],"scope":"current_operator_portfolio","entityAttribution":"current_operator","controllerAttribution":null,"units":{"production":"short tons","hours":"employee hours","productivity":"short tons per employee hour","employees":"sum of quarterly average employees across reported subunits"},"safetySeriesAvailable":false,"periodLabel":"2025 Q1 – 2026 Q4","quarters":["2025-Q1","2025-Q2","2025-Q3","2025-Q4","2026-Q1","2026-Q2","2026-Q3","2026-Q4"],"missingQuarters":["2026-Q3","2026-Q4"],"partialQuarters":["2025-Q1","2025-Q2","2025-Q3","2025-Q4","2026-Q1","2026-Q2","2026-Q4"],"calculation":"Totals sum available reports. Productivity is total coal production divided by total employee hours for the same reported quarters; it is null when the measures cover different quarters or hours are zero. Missing reports are null, not zero. Portfolio membership is current, not historical."},"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"}]},"mineMetrics":[{"mineId":"1518819","production":34988,"hours":8781,"reportingQuarters":3,"expectedQuarters":8},{"mineId":"1518978","production":200419,"hours":55421,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4603135","production":0,"hours":7526,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4603136","production":0,"hours":0,"reportingQuarters":5,"expectedQuarters":8},{"mineId":"4605295","production":0,"hours":20436,"reportingQuarters":5,"expectedQuarters":8},{"mineId":"4606448","production":0,"hours":167221,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4606618","production":0,"hours":16786,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4608610","production":0,"hours":4301,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609086","production":0,"hours":0,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609152","production":0,"hours":0,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609377","production":1269607,"hours":429971,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609427","production":455666,"hours":231259,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609471","production":338269,"hours":224953,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609588","production":199001,"hours":127427,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609635","production":0,"hours":0,"reportingQuarters":1,"expectedQuarters":8},{"mineId":"4609660","production":0,"hours":0,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609663","production":420103,"hours":175379,"reportingQuarters":6,"expectedQuarters":8},{"mineId":"4609679","production":0,"hours":0,"reportingQuarters":2,"expectedQuarters":8}]}