{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/mines/check?name=W%20Thomas%20%20Mackall","name":"W Thomas  Mackall","_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-08-20T11:26:54.404Z"},"summary":{"mines":20,"total_accidents":125,"fatalities":1},"mines":[{"mine_id":"3304547","mine_name":"Subtropolis","coal_metal_ind":"M","mine_status":"Active","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"Subtropolis Mining Co.","num_employees":35,"canonical_url":"https://api.ai-analytics.org/mine/3304547"},{"mine_id":"3304728","mine_name":"HONEY CREEK PIT","coal_metal_ind":"M","mine_status":"Active","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"EAST FAIRFIELD COAL CO., LIMESTONE DIVISION","num_employees":8,"canonical_url":"https://api.ai-analytics.org/mine/3304728"},{"mine_id":"3304820","mine_name":"Tiger Mine","coal_metal_ind":"M","mine_status":"Intermittent","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"Commercial Minerals, Inc.","num_employees":6,"canonical_url":"https://api.ai-analytics.org/mine/3304820"},{"mine_id":"3300832","mine_name":"K Mine","coal_metal_ind":"C","mine_status":"Abandoned","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"East Fairfield Coal Company","num_employees":0,"canonical_url":"https://api.ai-analytics.org/mine/3300832"},{"mine_id":"3303884","mine_name":"Commercial Mine","coal_metal_ind":"C","mine_status":"Abandoned","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"Commercial Minerals Inc","num_employees":0,"canonical_url":"https://api.ai-analytics.org/mine/3303884"},{"mine_id":"3303906","mine_name":"Gavers Mine","coal_metal_ind":"C","mine_status":"Abandoned","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"East Fairfield Coal Company","num_employees":0,"canonical_url":"https://api.ai-analytics.org/mine/3303906"},{"mine_id":"3304229","mine_name":"South Mine/Washplant","coal_metal_ind":"C","mine_status":"Abandoned","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"Sterling Mining Corporation","num_employees":0,"canonical_url":"https://api.ai-analytics.org/mine/3304229"},{"mine_id":"3304230","mine_name":"Sterling North Mine","coal_metal_ind":"C","mine_status":"Abandoned and Sealed","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"Sterling Mining Corp","num_employees":0,"canonical_url":"https://api.ai-analytics.org/mine/3304230"},{"mine_id":"3304317","mine_name":"Shean Hill Mine","coal_metal_ind":"C","mine_status":"Abandoned","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"Sterling Mining Corporation","num_employees":0,"canonical_url":"https://api.ai-analytics.org/mine/3304317"},{"mine_id":"3304377","mine_name":"Petersburg Mines","coal_metal_ind":"M","mine_status":"Abandoned","state":"OH","controller_name":"W Thomas  Mackall","operator_name":"East Fairfield Coal Co. - 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